News
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Health & MedicineMutations may underlie some stuttering
Defects in three genes governing basic cell metabolism are found in a portion of cases, researchers find.
By Nathan Seppa -
SpaceBouncing sands explain Mars’ rippled surface
A new study finds that dunes and ridges can form without much wind on the Red Planet.
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AnthropologyAncient DNA points to additional New World migration
Scientists have extracted a nearly complete genome from the hairs of a 4,000-year-old man, suggesting a new scenario for Asian migrations into the New World.
By Bruce Bower -
SpaceA new VISTA on stellar birthplace
A high-resolution panoramic image of the Orion star-forming region bodes well for the success of a new telescope dedicated to surveying large areas of the cosmos at infrared wavelengths.