Uncategorized
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Seminal Discovery: Promiscuous females speed sperm evolution
A gene responsible for semen viscosity has evolved more rapidly in primate species with promiscuous females than in monogamous species.
- Earth
Damp sandcastles
What keeps the 500-meter-tall dunes of China's Badain Jaran desert immobile, despite arid, windy conditions, is a previously unknown source of groundwater.
- Animals
Color at Night: Geckos can distinguish hues by dim moonlight
The first vertebrate to ace tests of color vision at low light levels—tests that people flunk—is an African gecko.
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Neural Feel for Seeing: Emotion may mold early visual activity in brain
The amygdala, an inner-brain structure that coordinates reactions to fearful sights, influences early stages of visual perception in far-removed brain regions.
