News
- Earth
Lasers show atmosphere differs from models
New observations of the middle and upper atmosphere over Earth's polar regions may require scientists to revamp their mathematical models of temperature and other environmental conditions at high altitudes.
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Tapeworms tell tales of deeper human past
A new analysis of tapeworm history suggests that people have been wrong about where we picked up pests: It was not domestication of cattle and pigs but increased meat eating in Africa.
- Health & Medicine
Immune cells rush to gut in food allergy
In mice, allergic reactions to food coincide with an accumulation of white blood cells called eosinophils in the small intestine.
