Behind Kissing
The evolutionary roots of kissing are a bit less romantic than you might think.
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Podcast
EVOLUTION SPECIAL: Celebrating Charles Darwin's 200th birthday, the evolution of kissing, mosquito …
Diet Evolution
The dawn of agriculture ushered in a surprisingly unhealthy era for humans.
Common Cold Cures
Researchers tease out what really works and what doesn't when it comes to managing your cold.
Podcast
ANIMAL BEHAVIOR: How polarized light fools insects, turning dolphins sounds 3-D, and tracking bird …
Anti-Androgens
Pollutants in water inhibit male hormones, causing infertility in fish – and potentially, in …
Polarized Mirages
Insects and other animals may mistake shiny, hard surfaces for water, disrupting their life cycle.
Racism Tolerance
People are more likely to oppose racism in theory than in practice.
Dolphin Voiceprints
New technology turns dolphin sounds into 3-D images.