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Broken Bones Hint at Earlier Human Arrival in the Americas

Mastodon bones and shattered stones suggest humans were migrating to the Americas some 100,000 years earlier than currently thought. Nature Video explores this controversial find. This video was reproduced with permission and was first published on April 26, 2017...

April 26, 2017 — Nature Video
Giant Otters Damned by Giant Hydroelectric Dams

Giant Otters Damned by Giant Hydroelectric Dams

Mathematically speaking, the creation of the massive Balbina Hydroelectric Dam in Brazil should have been a boon to the giant river otters (Pteronura brasiliensis) that live in the area...

April 29, 2014 — John R. Platt
Global Migrant Flows: An Interactive Map

Global Migrant Flows: An Interactive Map

People are constantly migrating around the globe. But scientists have long had trouble quantifying how many people are moving and where they are coming from and going to.

March 28, 2014 — Geoffrey Giller
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