News
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Health & MedicineGradual treatment of peanut allergies shows promise
A slow and incremental introduction of peanuts into the diet helps some children overcome an allergy to the food, but it takes time and close supervision.
By Nathan Seppa -
EarthPushing back an oxygen-rich atmosphere
Hematite crystals in Australian rocks hint that Earth’s atmosphere was oxygenated earlier than previously thought.
By Sid Perkins -
HumansRadio relief for Rwandans’ social conflicts
Rwandans who listened to a yearlong radio soap opera developed increased tolerance for dissent, a greater sense of cooperation and more acceptance of marriage across ethnic lines.
By Bruce Bower -
EarthGoo gives eels just the right buoyancy
Scientists survey the specific gravity of 25 marine critters.