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A pair of Ice Age “puppies” preserved in Siberian permafrost for over 14,000 years have turned out to be wolves, not early domesticated dogs. A recent study of two ancient “puppies” dating back more than 14,000 years suggests they were actually wolves, not early domestic dogs as once believed. Genetic testing revealed that the cubs were sisters, around two months old. Like modern wolves, they ate a combination of meat and plants. What surprised researchers most was the discovery of woolly rhinoceros remains in their stomachs, since such a massive animal would have been a difficult target for wolves to...

Russell Mapes, a graduate student from Grass Valley, Calif., ...explains that these sediments of eastern origin were washed down from a highland area that formed in the Cretaceous Period, between 65 million and 145 million years ago, when the South American and African tectonic plates separated and passed each other. That highland tilted the river's flow westward, sending sediment as old as 2 billion years toward the center of the continent. A relatively low ridge, called the Purus Arch, which still exists, rose in the middle of the continent, running north and south, dividing the Amazon's flow - eastward toward...

New species might arise as a result of single rare events, rather than through the gradual accumulation of many small changes over time, according to a study of thousands of species and their evolutionary family trees. This contradicts a widely accepted theory of how speciation occurs: that species are continually changing to keep pace with their environment, and that new species emerge as these changes accrue. Known as the 'Red Queen' hypothesis, it is named after the character in Lewis Carroll's book Through the Looking-Glass, and What Alice Found There who tells a surprised Alice: "Here, you see, it takes...

Immanuel Velikovsky was too eminent a scholar to be dismissed outright as a kook, and he counted some respected people among his friends... Nevertheless, his Catastrophism was rejected outright by a scientific establishment that couldn't stomach an interdisciplinary challenge to its dogmatic Uniformitarianism, even after Velikovsky's predictions about the temperature of Venus and radio activity from Jupiter were proven true. Stephen Jay Gould summed up mainstream scientific opinion, saying, "Velikovsky is neither crank nor charlatan -- although to state my opinion and to quote one of my colleagues, he is at least gloriously wrong ... Velikovsky would rebuild the science...