Snakes are pretty incredible animals, the poisonous ones even more so. Trace explains how snakes evolved to become venomous, and why they must keep evolving this tool to keep their deadly reputation.
A Dr. Doolittle-inspired study uncovered a previously unknown musical ability in squirrel monkeys.
Humans appear to be responsible for rapid brain growth seen over the past 100 years in small mammals from both urban and rural areas.
The extremely well-preserved, rodentlike remains recently discovered in China provide some of the best evidence yet for how the earliest human ancestors lived.
Mice raised with human brain cells produce faster learners -- and interesting ethical questions. ->
A common ape ancestor developed the ability to metabolize alcohol about 10 million years ago. ->
Meet "Hammer-Biter," a newly discovered marsupial that lived 10 to 17 million years ago and had hammer-like teeth.
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