Prehistoric Roundup
A newly discovered fossil reveals a warmer climate in the past.
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Emerging Infections
New global diseases are emerging faster than at any other time in human history.
Behind Kissing
The evolutionary roots of kissing are a bit less romantic than you might think.
Behind Kissing
The evolutionary roots of kissing are a bit less romantic than you might think.
Diet Evolution
The dawn of agriculture ushered in a surprisingly unhealthy era for humans.
Immune Roundup
A newly discovered blood protein could help researchers understand auto-immune diseases.