A New Influence on Human Evolution: C-Sections
A new report suggests that cesarean births are leading to bigger babies—and more C-sections.
A New Influence on Human Evolution: C-Sections
Biology
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When Did Sex Become Fun?
Sexual reproduction has been around for 2 billion years. But when did sex for pleasure arise? And how much did penises have to do with it?
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Iconic Fossil Assigned Probable Cause of Death: A Big Fall
An intriguing new study adds cred to the theory that Lucy and her relatives spent some of their time in trees.
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The Man Who Was Mistaken for a Homo sapiens in a Hat
There are pros and cons to any relationship, but what are the risks and benefits of mating … with another species?
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What Can Vampire Bats Teach Us About Friendship?
Friendship is complicated. But bats and their companions may offer us a window into how humans form—and keep—relationships.
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New Discovery Expands the Hobbit Family Tree
Fossil finds are challenging our understanding of the diminutive hominins discovered in Indonesia in 2003.