This Week: Scraps of ancient textiles found
In the News: Skyscrapers: Engineering Challenge
It’s one of the biggest puzzles of paleontology: Why did North America’s large mammals go extinct shortly after the glaciers melted about 15k years ago? New study suggests that hunters get the credit — or blame.
A new study finds a surprising number of fish, birds and mammals in the oceans 100 and 1,000 years ago. Can this information help regulators slow the decline of important marine animals?
Conventional wisdom says species form faster in the biodiverse tropics. But a new study shows fast speciation and extinction at the poles. Why didn’t we think up this study?
A new study reveals rapid evolution of white-footed mice in Chicago, in just 150 years.
All carnivorous mammals of Madagascar descended from a common ancestor.