News
- Paleontology
Groovy Bones: Mammalian ear structure evolved more than once
Fossils of an ancient egg-laying mammal indicate that the characteristic configuration of the bones in all living mammals' ears arose independently at least twice during the group's evolution.
- Health & Medicine
Heartfelt Fear: Findings link stress and cardiac symptoms
Emotional stress can lead to symptoms that mimic a heart attack, even in people without coronary artery blockages, possibly by causing an unusual secretion of hormones.
- Physics
Dial-a-Splash: Thin air quells liquid splatter
How much liquids splatter when drops hit surfaces depends on the surrounding air pressure.
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Asian Kids’ IQ Lift: Reading system may boost Chinese scores
A new study of Chinese and Greek kids suggests that a Chinese IQ advantage over Westerners stems from superior spatial abilities, possibly because the Chinese learn to read pictorial symbols that emphasize spatial perception.
