Behind Kissing
The evolutionary roots of kissing are a bit less romantic than you might think.
EVOLUTION SPECIAL: Celebrating Charles Darwin's 200th birthday, the evolution of kissing, mosquito …
Researchers tease out what really works and what doesn't when it comes to managing your cold.
ANIMAL BEHAVIOR: How polarized light fools insects, turning dolphins sounds 3-D, and tracking bird …
Pollutants in water inhibit male hormones, causing infertility in fish – and potentially, in …
Insects and other animals may mistake shiny, hard surfaces for water, disrupting their life cycle.