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Archaeologists unearth a fourth century amphitheater that stood on the far reaches of the Roman Empire more than 1,400 years ago[what an imbecile]

A Native American man in Montana has what may be the oldest DNA native to the Americas, according to news reports. After getting his DNA tested, Darrell "Dusty" Crawford learned that his ancestors were already in the Americas about 17,000 years ago, according to the Great Falls Tribune, a Montana newspaper.

The earliest human footprint on record in the Americas wasn't found in Canada, the United States or even Mexico; it was found much farther south, in Chile, and it dates to an astonishing 15,600 years ago, a new study finds. The finding sheds light on when humans first reached the Americas, likely by traveling across the Bering Strait land bridge in the midst of the last ice age. This 10.2-inch-long (26 centimeters) print might even be evidence of pre-Clovis people in South America, the group that came before the Clovis, which are known for their distinctive spearheads, the researchers said.

In two previous studies, researchers analyzed isotopes (an element that has a different number of neutrons than normal in its nucleus) in the women's remains, so they could piece together where the women had lived. But now, new research finds that these analyses were likely contaminated by modern agricultural lime... However, the researchers of the original studies are standing by their work... Both Bronze Age women are well known by archaeologists; the remains of Egtved Girl (the possible priestess) and Skrydstrup Woman were found in Denmark in 1921 and 1935, respectively. More recently, the Freis and their colleagues found that...

Just like the modern platypus, this 250-million-year-old, Triassic-age marine reptile likely used its cartilaginous bill to discover and seize its next meal, a new study finds. "This animal had unusually small eyes for the body, only rivaled by some living animals that rely on senses other than vision and feed in the dusk or darkness — for example some shrews, badgers and the duck-billed platypus," said study lead researcher Ryosuke Motani, a paleobiologist at the University of California, Davis. "So, it most likely used tactile senses [with its] platypus-like bill to detect prey in the dusk or darkness." ..." Previously,...