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Keyword: science

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  • Frankenstein Science: Head Transplants Are Now Possible?

    08/18/2014 3:25:03 PM PDT · by NYer · 33 replies
    Seasons of Grace ^ | August 18, 2014 | Kathy Schiffer
    “Potentially unethical.” That’s how one expert described an Italian scientist’s plan to perform a “head transplant” by severing two heads at the same time, then cooling and flushing out the ‘recipient’ head before attaching it to its new body with polymer glue.That is “POTENTIALLY unethical?” Making one person out of two, and throwing away the unused halves, is only “potentially” unethical?Shock and awe.* * * * *Neuroscientist Sergio Canavero is undeterred by criticism, however. Canavero now reports that it’s possible to merge bone marrow, surgically cut with an ultra-sharp knife, when fusing one person’s head onto another person’s spine. The...
  • Russia Reignites Its Rocket Industry with New Angara Booster

    08/19/2014 8:39:24 PM PDT · by wetphoenix · 32 replies
    Space ^ | Leonard David
    Russia's recent maiden launch of its new Angara rocket is a harbinger of bigger boosters to come. The successful test flight also marked the country's first new launch vehicle to be built from scratch since the fall of the Soviet Union. The July 9 suborbital flight of the light-lift Angara 1.2ML rocket lifted off from Russia's Plesetsk Cosmodrome in the country's northern Arkhangelsk region. (The "ML" stands for "maiden launch.") The test flight, which lasted roughly 21 minutes and was not intended to reach orbit, launched the Angara rocket over Russian territory on a ballistic trajectory. A "mass/dimensional payload simulator"...
  • Astronomy Picture of the Day -- Star Trails Over Indonesia

    08/18/2014 7:00:19 PM PDT · by SunkenCiv · 5 replies
    NASA ^ | August 18, 2014 | (see photo credit)
    Explanation: Both land and sky were restless. The unsettled land included erupting Mount Semeru in the distance, the caldera of steaming Mount Bromo on the left, flowing fog, and the lights of moving cars along roads that thread between hills and volcanoes in Bromo Tengger Semeru National Park in East Java, Indonesia. The stirring sky included stars circling the South Celestial Pole and a meteor streaking across the image right. The above 270-image composite was taken from King Kong Hill in mid-June over two hours, with a rising Moon lighting the landscape.
  • Today in History: 1932: First Stratosphere Measurement

    08/18/2014 7:49:47 AM PDT · by Covenantor · 11 replies
    Deutsche Welle ^ | Aug 18, 2014
    Today in History: 1932 First Stratosphere Measurement The Swiss physicist Auguste Piccard and his assistant, Max Cosyns, climbed to an altitude of 16,203 metres with the help of a pressurised cabin attached to a balloon. During the flight through the stratosphere they gathered information about the strength of the cosmic beams and photographed the regions they flew over. Temperature measurements showed outside temperatures to a minimum of minus 60 Celsius. From 1947 Piccard, who was inspired by the Jules Vernes novels, started deep-sea investigations. In 1953 he reached a depth of 3,150 metres with his son in the deep sea...
  • Astronomy Picture of the Day -- Jupiter and Venus from Earth

    08/17/2014 6:27:19 AM PDT · by SunkenCiv · 34 replies
    NASA ^ | August 17, 2014 | (see photo credit)
    Explanation: It was visible around the world. The sunset conjunction of Jupiter and Venus in 2012 was visible almost no matter where you lived on Earth. Anyone on the planet with a clear western horizon at sunset could see them. Pictured above in 2012, a creative photographer traveled away from the town lights of Szubin, Poland to image a near closest approach of the two planets. The bright planets were separated only by three degrees and his daughter striking a humorous pose. A faint red sunset still glowed in the background. Early tomorrow (Monday) morning, the two planets will pass...
  • Astronomy Picture of the Day -- No X-rays from SN 2014J

    08/16/2014 4:53:24 AM PDT · by SunkenCiv · 8 replies
    NASA ^ | August 16, 2014 | (see photo credit)
    Explanation: Last January, telescopes in observatories around planet Earth were eagerly used to watch the rise of SN 2014J, a bright supernova in nearby galaxy M82. Still, the most important observations may have been from orbit where the Chandra X-ray Observatory saw nothing. Identified as a Type Ia supernova, the explosion of SN2014J was thought to be triggered by the buildup of mass on a white dwarf star steadily accreting material from a companion star. That model predicts X-rays would be generated when the supernova blastwave struck the material left surrounding the white dwarf. But no X-rays were seen from...
  • Astronomy Picture of the Day -- A Luminous Night

    08/15/2014 6:54:51 PM PDT · by SunkenCiv · 9 replies
    NASA ^ | August 15, 2014 | (see photo credit)
    Explanation: What shines in the world at night? Just visible to the eye, a rare electric blue glow spread along the shores of Victoria Lake on January 16, 2013. Against reflections of a light near the horizon, this digitally stacked long exposure recorded the bioluminescence of Noctiluca scintillans, plankton stimulated by the lapping waves. Above, the night skies of the Gippsland Lakes region, Victoria, Australia shine with a fainter greenish airglow. Oxygen atoms in the upper atmosphere, initially excited by ultraviolet sunlight, produce the more widely seen fading atmospheric chemiluminescence. Washed out by the Earth's rotation, the faint band of...
  • Astronomy Picture of the Day -- Surreal Moon

    08/14/2014 8:11:00 PM PDT · by SunkenCiv · 15 replies
    NASA ^ | August 14, 2014 | (see photo credit)
    Explanation: Big, bright, and beautiful, a Full Moon near perigee, the closest point in its elliptical orbit around our fair planet, rose on August 10. This remarkable picture records the scene with a dreamlike quality from the east coast of the United States. The picture is actually a composite of 10 digital frames made with exposures from 1/500th second to 1 second long, preserving contrast and detail over a much wider than normal range of brightness. At a perigee distance of a mere 356,896 kilometers, August's Full Moon was the closest, and so the largest and most super, of the...
  • Astronomy Picture of the Day -- Rings Around the Ring Nebula

    08/14/2014 8:08:39 PM PDT · by SunkenCiv · 5 replies
    NASA ^ | August 13, 2014 | (see photo credit)
    Explanation: It is a familiar sight to sky enthusiasts with even a small telescope. There is much more to the Ring Nebula (M57), however, than can be seen through a small telescope. The easily visible central ring is about one light-year across, but this remarkably deep exposure - a collaborative effort combining data from three different large telescopes - explores the looping filaments of glowing gas extending much farther from the nebula's central star. This remarkable composite image includes narrowband hydrogen image, visible light emission, and infrared light emission. Of course, in this well-studied example of a planetary nebula, the...
  • Monkey Business at Amazon

    Hmm, what's this? We noticed that overnight eight 5-star reviews for Stephen Meyer's book Darwin's Doubt were mysteriously erased. Just vanished. Since these were positive reviews, it is unlikely they were "abusive" which is the normal criterion that Amazon has for removing reviews. Interesting. These kinds of shenanigans always seem to happen when our critics are feeling maximally pressed because they can't answer our arguments on the merits. They thus see the need to resort to schemes and tricks. It's an admission of intellectual defeat. We've also heard claims about people trying to reshelf Meyer's book in the religion section...
  • The truth about science and religion

    08/14/2014 7:47:42 AM PDT · by SeekAndFind · 12 replies
    American Thinker ^ | 08/14/2014 | Terry Scambray
    In 1925 the renowned philosopher and mathematician, Alfred North Whitehead speaking to scholars at Harvard said that science originated in Christian Europe in the 13th century. Whitehead pointed out that science arose from the medieval insistence on the rationality of God, conceived as with the personal energy of Jehovah and with the rationality of a Greek philosopher, from which it follows that human minds created in that image are capable of understanding nature. The audience, assuming that science and Christianity are enemies, was astonished. Equally astonished are scientists writing in the March 12 edition of Nature, the respected science journal....
  • Transgender Parents Speak Out About What Makes a Family

    08/13/2014 1:16:41 PM PDT · by thetallguy24 · 40 replies
    Yahoo! Health ^ | 08/13/14 | Beth Greenfield
    The transgender parents of two young children living in Kentucky are raising consciousness about family, honesty, and love this week after some splashy media coverage in the British tabloids stemming from an appearance on The Ricki Lake Show in 2013. Its good, because our goal was to have our story appear here in the states, mom Bianca Bowser told Yahoo Health. Our main point is to express our similarities [to everyone else], and to advocate for the transgender community. Bianca, 32, was born a boy named Jason, while her husband, Nick Bowser, 27, was born a girl named Nicole. They...
  • Butt batteries: Scientists store energy in used cigarette filters

    08/13/2014 2:28:15 AM PDT · by blueplum · 3 replies
    Reuters ^ | August 6, 2014 | Michael Szabo; Mark Potter
    (Reuters) - Scientists in South Korea say they have found a way of converting used cigarette butts into a material capable of storing energy that could help power everything from mobile phones to electric cars. In a study published on Tuesday in the journal Nanotechnology, researchers from Seoul National University outlined how they transformed the used filters, which are composed mainly of cellulose acetate fibers and are considered toxic and a risk to the environment when discarded. "Our study has shown that used cigarette filters can be transformed into a high-performing carbon-based material using a simple one-step process, which simultaneously...
  • Google's Satellites Could Soon See Your Face from Space

    08/13/2014 12:30:41 AM PDT · by Ray76 · 20 replies
    motherboard.vice.com ^ | Aug 11, 2014
    Two months ago, after much lobbying by the biggest satellite company in North America, DigitalGlobe, the US government relaxed restrictions to allow for commercially available satellite imagery up to 25 cm resolutiontwice as detailed as the previous limit of 50 cm. Now, the first commercial satellite set to capture these high-res images, DigitalGlobe's Worldview-3, will launch this Wednesday. The extra sharp images from Worldview-3 will greatly increase the maps' level of detail to the point where it can make out 10-inch objects, which means Google will soon be able to see manholes and mailboxes from its hired eyes in the...
  • Astronomy Picture of the Day -- Collapse in Hebes Chasma on Mars

    08/11/2014 11:20:40 PM PDT · by SunkenCiv · 19 replies
    NASA ^ | August 12, 2014 | (see photo credit)
    Explanation: What's happened in Hebes Chasma on Mars? Hebes Chasma is a depression just north of the enormous Valles Marineris canyon. Since the depression is unconnected to other surface features, it is unclear where the internal material went. Inside Hebes Chasma is Hebes Mensa, a 5 kilometer high mesa that appears to have undergone an unusual partial collapse -- a collapse that might be providing clues. The above image, taken by the robotic Mars Express spacecraft currently orbiting Mars, shows great details of the chasm and the unusual horseshoe shaped indentation in the central mesa. Material from the mesa appears...
  • The Age of the Universe The '6' Days of Creation

    08/11/2014 7:54:35 PM PDT · by Jeremiah Jr · 59 replies
    08/11/2014 | Mordechai ben Avram
    The Age of the Universe The '6' Days of Creation For the earth will be filled with the knowledge of the glory of Hashem as the waters cover the seabed.Habakkuk 2, 14 & Isaiah 11, 9 In the six hundredth year of the sixth [millennium], the gateways of heavenly wisdom and the fountains of lower wisdom will be opened, and the world will be uplifted to prepare for the ascension of the seventh [millennium]...Zohar I, 117a The formula for calculating the age of the universe was written by Moses and it's recorded in Tehillim 90. Tehillim Chapter 90 JPS 90:1...
  • Astronomy Picture of the Day -- Rosetta Approaches Comet Churyumov-Gerasimenko

    08/11/2014 7:28:57 PM PDT · by SunkenCiv · 6 replies
    NASA ^ | August 11, 2014 | (see photo credit)
    Explanation: What does it look like to approach a comet? Early this month humanity received a new rendition as the robotic Rosetta spacecraft went right up to -- and began orbiting -- the nucleus of Comet 67P/Churyumov-Gerasimenko. This approach turned out to be particularly fascinating because the comet nucleus first revealed itself to have an unexpected double structure, and later showed off an unusual and craggily surface. The above 101-frame time-lapse video details the approach of the spacecraft from August 1 through August 6. The icy comet's core is the size of a mountain and rotates every 12.7 hours. Rosetta's...
  • The Quantum Cheshire Cat: Can neutrons be located at a different place than their own spin?

    08/10/2014 8:20:11 AM PDT · by LibWhacker · 13 replies
    PhysOrg ^ | 7/29/14
    The Quantum Cheshire Cat: Can neutrons be located at a different place than their own spin? Jul 29, 2014 Enlarge The basic idea of the Quantum Cheshire Cat: In an interferometer, an object is separated from one if its properties -- like a cat, moving on a different path than its own grin. Credit: TU Vienna / Leon Filter The Cheshire Cat featured in Lewis Caroll's novel "Alice in Wonderland" is a remarkable creature: it disappears, leaving its grin behind. Can an object be separated from its properties? It is possible in the quantum world. In an experiment, neutrons travel...
  • Astronomy Picture of the Day -- A Perseid Below

    08/09/2014 10:33:02 PM PDT · by SunkenCiv · 4 replies
    NASA ^ | August 10, 2014 | (see photo credit)
    Explanation: Denizens of planet Earth typically watch meteor showers by looking up. But this remarkable view, captured on August 13, 2011 by astronaut Ron Garan, caught a Perseid meteor by looking down. From Garan's perspective onboard the International Space Station orbiting at an altitude of about 380 kilometers, the Perseid meteors streak below, swept up dust left from comet Swift-Tuttle heated to incandescence. The glowing comet dust grains are traveling at about 60 kilometers per second through the denser atmosphere around 100 kilometers above Earth's surface. In this case, the foreshortened meteor flash is right of frame center, below the...
  • Astronomy Picture of the Day -- A Luminous Night

    08/09/2014 2:38:00 PM PDT · by SunkenCiv · 6 replies
    NASA ^ | August 09, 2014 | (see photo credit)
    Explanation: What shines in the world at night? Just visible to the eye, a rare electric blue glow spread along the shores of Victoria Lake on January 16, 2013. Against reflections of a light near the horizon, this digitally stacked long exposure recorded the bioluminescence of noctiluca scintillans, plankton stimulated by the lapping waves. Above, the night skies of the Gippsland Lakes region, Victoria, Australia shine with a fainter greenish airglow. Oxygen atoms in the upper atmosphere, initially excited by ultraviolet sunlight, produce the more widely seen fading atmospheric chemiluminescence. Washed out by the Earth's rotation, the faint band of...
  • Astronomy Picture of the Day -- Spiral Galaxy NGC 6744

    08/09/2014 2:35:15 PM PDT · by SunkenCiv · 2 replies
    NASA ^ | August 08, 2014 | (see photo credit)
    Explanation: Big, beautiful spiral galaxy NGC 6744 is nearly 175,000 light-years across, larger than our own Milky Way. It lies some 30 million light-years distant in the southern constellation Pavo. We see the disk of the nearby island universe tilted towards our line of sight. Orientation and composition give a strong sense of depth to this colorful galaxy portrait that covers an area about the angular size of the full moon. This giant galaxy's yellowish core is dominated by the light from old, cool stars. Beyond the core, spiral arms filled with young blue star clusters and pinkish star forming...
  • Astronomy Picture of the Day -- Rosetta's Rendezvous

    08/09/2014 2:32:21 PM PDT · by SunkenCiv · 6 replies
    NASA ^ | August 07, 2014 | (see photo credit)
    Explanation: On August 3rd, the Rosetta spacecraft's narrow angle camera captured this stunning image of the nucleus of Comet 67P/Churyumov-Gerasimenko. After 10 years and 6.5 billion kilometers of travel along gravity assist trajectories looping through interplanetary space, Rosetta had approached to within 285 kilometers of its target. The curious double-lobed shape of the nucleus is revealed in amazing detail at an image resolution of 5.3 meters per pixel. About 4 kilometers across, the comet nucleus is presently just over 400 million kilometers from Earth, between the orbits of Jupiter and Mars. Now the first spacecraft to achieve a delicate orbit...
  • Astronomy Picture of the Day -- Saturn's Swirling Cloudscape

    08/09/2014 2:29:27 PM PDT · by SunkenCiv · 6 replies
    NASA ^ | August 06, 2014 | (see photo credit)
    Explanation: Acquiring its first sunlit views of far northern Saturn in late 2012, the Cassini spacecraft's wide-angle camera recorded this stunning, false-color image of the ringed planet's north pole. The composite of near-infrared image data results in red hues for low clouds and green for high ones, giving the Saturnian cloudscape a vivid appearance. Enormous by terrestrial standards, Saturn's north polar hurricane-like storm is deep, red, and about 2,000 kilometers wide. Clouds at its outer edge travel at over 500 kilometers per hour. Other atmospheric vortices also swirl inside the large, yellowish green, six-sided jet stream known as the hexagon....
  • Astronomy Picture of the Day -- Four Billion BCE: Battered Earth

    08/09/2014 2:26:38 PM PDT · by SunkenCiv · 20 replies
    NASA ^ | August 05, 2014 | (see photo credit)
    Explanation: No place on Earth was safe. Four billion years ago, during the Hadean eon, our Solar System was a dangerous shooting gallery of large and dangerous rocks and ice chunks. Recent examination of lunar and Earth bombardment data indicate that the entire surface of the Earth underwent piecemeal upheavals, hiding our globe's ancient geologic history, and creating a battered world with no remaining familiar land masses. The rain of devastation made it difficult for any life to survive, although bacteria that could endure high temperatures had the best chance. Oceans thought to have formed during this epoch would boil...
  • Astronomy Picture of the Day -- Shadows and Plumes Across Enceladus

    08/08/2014 4:40:10 PM PDT · by SunkenCiv · 9 replies
    NASA ^ | August 04, 2014 | (see photo credit)
    Explanation: Why does Enceladus have ice plumes? The discovery of jets spewing water vapor and ice was detected by the Saturn-orbiting Cassini spacecraft in 2005. The origin of the water feeding the jets, however, remained a topic of research. A leading hypothesis held that the source might originate from a deep underground sea, but another hypothesis indicated that it might just be ice melted off walls of deep rifts by the moon's tidal flexing and heating. Pictured above, the textured surface of Enceladus is visible in the foreground, while rows of plumes rise from ice fractures in the distance. These...
  • The True Story of Ebola in Reston, Virginia

    08/04/2014 1:37:01 PM PDT · by Sean_Anthony · 54 replies
    Canada Free Press ^ | 08/04/14 | Ileana Johnson
    In October 1989 people in the community of Reston, Virginia went about their daily lives not realizing that a serious crisis was developing right in their back yards that would not be entirely resolved until March 1990. It was a serious calamity that could have wiped out the entire population. This dire emergency was described twenty years ago by Richard Preston in his non-fiction book, The Hot Zone. The hot zone refers to an area that contains lethal, infectious organisms also dubbed hot agent, an extremely lethal virus, potentially airborne. (Richard Preston, The Hot Zone, Random House, New York, 1994,...
  • Unintended consequences: More high school math, science linked to more dropouts

    08/04/2014 12:25:17 PM PDT · by Lorianne · 51 replies
    Phys Org ^ | 01 August 2014
    As U.S. high schools beef up math and science requirements for graduation, researchers at Washington University in St. Louis have found that more rigorous academics drive some students to drop out. The research team reported in the June/July issue of the journal Educational Researcher that policies increasing the number of required high school math and science courses are linked to higher dropout rates. "There's been a movement to make education in the United States compare more favorably to education in the rest of the world, and part of that has involved increasing math and science graduation requirements," explained first author...
  • Getting to Know Comet 67P/Churyumov-Gerasimenko

    08/03/2014 10:17:36 AM PDT · by BenLurkin · 8 replies
    universetoday.com ^ | August 3, 2014 | Bob King
    For all the wonder that comets evoke, we on Earth never see directly what whips up the coma and tail. Even professional telescopes cant burrow through the dust and vapor cloaking the nucleus to distinguish the clear outline of a comets heart. The only way to see one is to fly a camera there. Rosetta took 10 years to reach 67P/C-G, a craggy, boot-shaped body that resembles an asteroid in appearance but with key differences. Asteroids shown in close up photos often display typical bowl-shaped impact craters. From the photos to date, 67P/C-Gs craters look shallow and flat in comparison...
  • Scarlett Johansson's New Movie Is Based on One of the Biggest Scientific Myths of All Time (Lucy)

    08/03/2014 10:42:01 AM PDT · by EveningStar · 49 replies
    RealClearScience ^ | July 22, 2014 | Ross Pomeroy
    The reviews aren't yet in for Scarlett Johansson's new movie Lucy, but a single viewing of the trailer is enough to give the film a resounding "two thumbs down" on science... The idea that humans only use 10% of their brains is a complete, utter, and total myth. Lucy is entirely premised on neuroscientific BS...
  • Astronomy Picture of the Day -- Dark Shuttle Approaching

    08/03/2014 9:08:12 AM PDT · by SunkenCiv · 12 replies
    NASA ^ | August 03, 2014 | (see photo credit)
    Explanation: What's that approaching? Astronauts on board the International Space Station first saw it in early 2010 far in the distance. Soon it enlarged to become a dark silhouette. As it came even closer, the silhouette appeared to be a spaceship. Finally, the object revealed itself to be the Space Shuttle Endeavour, and it soon docked as expected with the Earth-orbiting space station. Pictured above, Endeavour was imaged near Earth's horizon as it approached, where several layers of the Earth's atmosphere were visible. Directly behind the shuttle is the mesosphere, which appears blue. The atmospheric layer that appears white is...
  • Astronomy Picture of the Day -- NGC 7023: The Iris Nebula

    08/01/2014 10:40:14 PM PDT · by SunkenCiv · 7 replies
    NASA ^ | August 02, 2014 | (see photo credit)
    Explanation: These clouds of interstellar dust and gas have blossomed 1,300 light-years away in the fertile star fields of the constellation Cepheus. Sometimes called the Iris Nebula, NGC 7023 is not the only nebula in the sky to evoke the imagery of flowers, though. Still, this deep telescopic view shows off the Iris Nebula's range of colors and symmetries in impressive detail. Within the Iris, dusty nebular material surrounds a hot, young star. The dominant color of the brighter reflection nebula is blue, characteristic of dust grains reflecting starlight. Central filaments of the dusty clouds glow with a faint reddish...
  • Astronomy Picture of the Day -- Tetons and Snake River, Planet Earth

    07/31/2014 10:57:05 PM PDT · by SunkenCiv · 11 replies
    NASA ^ | August 01, 2014 | (see photo credit)
    Explanation: An alluring night skyscape, this scene looks west across the Grand Teton National Park, Wyoming, USA, Planet Earth. The Snake River glides through the foreground, while above the Tetons' rugged mountain peaks the starry sky is laced with exceptionally strong red and green airglow. That night, the luminous atmospheric glow was just faintly visible to the eye, its color and wavey structure captured only by a sensitive digital camera. In fact, this contemporary digital photograph matches the location and perspective of a well-known photograph from 1942 - The Tetons and The Snake River , by Ansel Adams, renown photographer...
  • Astronomy Picture of the Day -- Veins of Heaven

    07/31/2014 10:53:41 PM PDT · by SunkenCiv · 4 replies
    NASA ^ | July 31, 2014 | (see photo credit)
    Explanation: Transfusing sunlight through a still dark sky, this exceptional display of noctilucent clouds was captured earlier this month above the island of Gotland, Sweden. From the edge of space, about 80 kilometers above Earth's surface, the icy clouds reflect sunlight even though the Sun itself is below the horizon as seen from the ground. Usually spotted at high latitudes in summer months the night shining clouds made a strong showing this July. Also known as polar mesopheric clouds they are understood to form as water vapor driven into the cold upper atmosphere condenses on the fine dust particles supplied...
  • Astronomy Picture of the Day -- M31: The Andromeda Galaxy

    07/31/2014 10:49:52 PM PDT · by SunkenCiv · 7 replies
    NASA ^ | July 30, 2014 | (see photo credit)
    Explanation: Andromeda is the nearest major galaxy to our own Milky Way Galaxy. Our Galaxy is thought to look much like Andromeda. Together these two galaxies dominate the Local Group of galaxies. The diffuse light from Andromeda is caused by the hundreds of billions of stars that compose it. The several distinct stars that surround Andromeda's image are actually stars in our Galaxy that are well in front of the background object. Andromeda is frequently referred to as M31 since it is the 31st object on Messier's list of diffuse sky objects. M31 is so distant it takes about two...
  • Astronomy Picture of the Day -- A Sky Portal in New Zealand

    07/31/2014 10:44:57 PM PDT · by SunkenCiv · 5 replies
    NASA ^ | July 29, 2014 | (see photo credit)
    Explanation: To some, it may look like a portal into the distant universe. To others, it may appear as the eye of a giant. Given poetic license, both are correct. Pictured above is a standard fisheye view of the sky -- but with an unusual projection. The view is from a perch in New Zealand called Te Mata Peak, a name that translates from the Maori language as "Sleeping Giant". The wondrous panorama shows the band of our Milky Way Galaxy right down the center of the sky, with the Large and Small Magellanic Clouds visible to the right. The...
  • Astronomy Picture of the Day -- The Horsehead Nebula from Blue to Infrared

    07/31/2014 10:39:56 PM PDT · by SunkenCiv · 5 replies
    NASA ^ | July 28, 2014 | (see photo credit)
    Explanation: One of the most identifiable nebulae in the sky, the Horsehead Nebula in Orion, is part of a large, dark, molecular cloud. Also known as Barnard 33, the unusual shape was first discovered on a photographic plate in the late 1800s. The red glow originates from hydrogen gas predominantly behind the nebula, ionized by the nearby bright star Sigma Orionis. The darkness of the Horsehead is caused mostly by thick dust, although the lower part of the Horsehead's neck casts a shadow to the left. Streams of gas leaving the nebula are funneled by a strong magnetic field. Bright...
  • Researchers find first sign that tyrannosaurs hunted in packs

    07/27/2014 6:46:58 PM PDT · by SunkenCiv · 49 replies
    Guardian (UK) ^ | Wednesday 23 July 2014 | Ian Sample
    The collective noun is a terror of tyrannosaurs: a pack of the prehistoric predators, moving and hunting in numbers, for prey that faced the fight of its life. That tyrannosaurs might have hunted in groups has long been debated by dinosaur experts, but with so little to go on, the prospect has remained firmly in the realm of speculation. But researchers in Canada now claim to have the strongest evidence yet that the ancient beasts did move around in packs. At a remote site in north-east British Columbia - in the west of Canada - they uncovered the first known...
  • The Minoans were Caucasian

    07/12/2014 4:58:18 AM PDT · by Renfield · 38 replies
    Daily Mail (UK) ^ | 5-16-2013 | Damien Gayle
    DNA analysis has debunked the longstanding theory that the Minoans, who some 5,000 years ago established Europe's first advanced Bronze Age culture, were from Africa. The Minoan civilisation arose on the Mediterranean island of Crete in approximately the 27th century BC and flourished for 12 centuries until the 15th century BC. But the culture was lost until British archaeologist Sir Arthur Evans unearthed its remains on Crete in 1900, where he found vestiges of a civilisation he believed was formed by refugees from northern Egypt. Modern archaeologists have cast doubt on that version of events, and now DNA tests of...
  • Egyptian Carving Defaced by King Tut's Possible Father Discovered

    07/27/2014 2:02:21 PM PDT · by SunkenCiv · 10 replies
    Live Science ^ | July 24, 2014 | Owen Jarus
    The panel, carved in Nubian Sandstone, was found recently in a tomb at the site of Sedeinga, in modern-day Sudan. It is about 5.8 feet (1.8 meters) tall by 1.3 feet (0.4 m) wide, and was found in two pieces. Originally, it adorned the walls of a temple at Sedeinga that was dedicated to Queen Tiye (also spelled Tiyi), who died around 1340 B.C. Several centuries after Tiye's death and after her temple had fallen into ruin this panel was reused in a tomb as a bench that held a coffin above the floor. Scars of a revolution...
  • Unlocking the Cascadia Subduction Zone's secrets: Peering into recent research and findings

    07/23/2014 1:51:59 PM PDT · by JimSEA · 6 replies
    Earth Magazine ^ | 7/20/2014 | Andrea Watts
    Once overlooked because of its relative inactivity compared to other subduction zones around the world, the Cascadia Subduction Zone (CSZ) and the potentially devastating megathrust earthquakes and tsunamis it could unleash are today well known to both geoscientists and the public. Beginning with the efforts of John Adams of the Geological Survey of Canada and Brian Atwater of the U.S. Geological Survey in the late 1980s, a series of oceanic research cruises and datasets has steadily advanced our understanding of Cascadia. It seems like there is a paradigm change every few years, says Chris Goldfinger, a geologist at...
  • Smarter than Thou: Neil deGrasse Tyson and Americas nerd problem

    07/30/2014 8:24:22 AM PDT · by 2ndDivisionVet · 53 replies
    The National Review ^ | July 30, 2014 | Charles C. W. Cooke
    My great fear, Neil deGrasse Tyson told MSNBCs Chris Hayes in early June, is that weve in fact been visited by intelligent aliens but they chose not to make contact, on the conclusion that theres no sign of intelligent life on Earth. In response to this rather standard little saw, Hayes laughed as if he had been trying marijuana for the first time. All told, one suspects that Tyson was not including either himself or a fellow traveler such as Hayes as inhabitants of Earth, but was instead referring to everybody who is not in their coterie. That, alas, is...
  • Well Being: Melting that old advice about ice

    07/27/2014 1:46:19 PM PDT · by afraidfortherepublic · 18 replies
    Philly.com ^ | 7-27-14 | Art Carey
    For decades, the standard method for treating injuries was RICE - Rest, Ice, Compression, and Elevation. Everyone from Little League coaches to pro sports trainers knows icing is a sure way to reduce swelling, inflammation and pain, and speed healing. That has been the conventional wisdom. Now comes Gary Reinl, with 40 years of experience in sports, fitness, and rehab, with an iconoclastic message. In his self-published book ICED!, Reinl argues that icing is not only wrong - "an illusionary treatment" - but also counterproductive and harmful. "There's not a shred of evidence that icing is helpful," Reinl said. "To...
  • Astronomy Picture of the Day -- Rho Ophiuchi Wide Field

    07/27/2014 6:48:52 AM PDT · by SunkenCiv · 4 replies
    NASA ^ | July 27, 2014 | (see photo credit)
    Explanation: The clouds surrounding the star system Rho Ophiuchi compose one of the closest star forming regions. Rho Ophiuchi itself is a binary star system visible in the light-colored region on the image right. The star system, located only 400 light years away, is distinguished by its colorful surroundings, which include a red emission nebula and numerous light and dark brown dust lanes. Near the upper right of the Rho Ophiuchi molecular cloud system is the yellow star Antares, while a distant but coincidently-superposed globular cluster of stars, M4, is visible between Antares and the red emission nebula. Near the...
  • Astronomy Picture of the Day -- NGC 253: Dusty Island Universe

    07/27/2014 6:47:45 AM PDT · by SunkenCiv · 3 replies
    NASA ^ | July 26, 2014 | (see photo credit)
    Explanation: Shiny NGC 253 is one of the brightest spiral galaxies visible, and also one of the dustiest. Some call it the Silver Dollar Galaxy for its appearance in small telescopes, or just the Sculptor Galaxy for its location within the boundaries of the southern constellation Sculptor. First swept up in 1783 by mathematician and astronomer Caroline Herschel, the dusty island universe lies a mere 10 million light-years away. About 70 thousand light-years across, NGC 253 is the largest member of the Sculptor Group of Galaxies, the nearest to our own Local Group of Galaxies. In addition to its spiral...
  • The Corruption of Peer Review Is Harming Scientific Credibility

    07/26/2014 12:31:00 PM PDT · by SeekAndFind · 17 replies
    Wall Street Journal ^ | 07/14/2014 | Hank Campbell
    Academic publishing was rocked by the news on July 8 that a company called Sage Publications is retracting 60 papers from its Journal of Vibration and Control, about the science of acoustics. The company said a researcher in Taiwan and others had exploited peer review so that certain papers were sure to get a positive review for placement in the journal. In one case, a paper's author gave glowing reviews to his own work using phony names. Acoustics is an important field. But in biomedicine faulty research and a dubious peer-review process can have life-or-death consequences. In June, Dr. Francis...
  • Astronomy Picture of the Day -- Cosmic Crab Nebula

    07/26/2014 8:29:05 AM PDT · by SunkenCiv · 7 replies
    NASA ^ | July 25, 2014 | (see photo credit)
    Explanation: The Crab Pulsar, a city-sized, magnetized neutron star spinning 30 times a second, lies at the center of this tantalizing wide-field image of the Crab Nebula. A spectacular picture of one of our Milky Way's supernova remnants, it combines optical survey data with X-ray data from the orbiting Chandra Observatory. The composite was created as part of a celebration of Chandra's 15 year long exploration of the high energy cosmos. Like a cosmic dynamo the pulsar powers the X-ray and optical emission from the nebula, accelerating charged particles to extreme energies to produce the jets and rings glowing in...
  • Russian 'space sex geckos' struggle to survive as satellite spirals out of control in Earth orbit

    07/25/2014 1:42:41 PM PDT · by Veto! · 26 replies
    Mail Online UK ^ | July 25, 2014 | Jonathon O'Callaghan
    They were intended to be among the first animals to join the 350-mile-high club, but now a group of geckos sent into space to reproduce may be at risk. The five lizards - four male and one female - launched on a research satellite on 19 July to study the effects of weightlessness on their sex lives.
  • Astronomy Picture of the Day -- ALMA Milky Way

    07/24/2014 2:59:38 PM PDT · by SunkenCiv · 4 replies
    NASA ^ | July 24, 2014 | (see photo credit)
    Explanation: This alluring all-skyscape was taken 5,100 meters above sea level, from the Chajnantor Plateau in the Chilean Andes. Viewed through the site's rarefied atmosphere at about 50% sea level pressure, the gorgeous Milky Way stretches through the scene. Its cosmic rifts of dust, stars, and nebulae are joined by Venus, a brilliant morning star immersed in a strong band of predawn Zodiacal light. Still not completely dark even at this high altitude, the night sky's greenish cast is due to airglow emission from oxygen atoms. Around the horizon the dish antenna units of the Atacama Large Millimeter/submillimeter Array, ALMA,...
  • Astronomy Picture of the Day -- IC 4603: Reflection Nebula in Ophiuchius

    07/24/2014 2:57:38 PM PDT · by SunkenCiv · 4 replies
    NASA ^ | July 23, 2014 | (see photo credit)
    Explanation: Why does this starfield photograph resemble an impressionistic painting? The effect is created not by digital trickery but by large amounts of interstellar dust. Dust, minute globs rich in carbon and similar in size to cigarette smoke, frequently starts in the outer atmospheres of large, cool, evolved stars. The dust is dispersed as the star dies and grows as things stick to it in the interstellar medium. Dense dust clouds are opaque to visible light and can completely hide background stars. For less dense clouds, the capacity of dust to preferentially reflect blue starlight becomes important, effectively blooming the...
  • A Truly American Future

    07/24/2014 8:10:48 AM PDT · by WhatsItAllAbout · 10 replies
    Our countrys future, the future of the American people and indeed the future of the worlds people as they emulate the American example could well be so spectacularly wonderful that the phrases shining city on a hill and American exceptionalism are one day looked back upon as historical understatements. There is no greater gift no greater secular value than the opportunity to live a human life upon the Earth, no matter how disadvantageous our circumstances. (As for spiritual values, we see through a glass darkly now and look forward to experiences beyond our comprehension.) Read more...