All Stories
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SpaceRevealing the galaxy’s dark side
Observations of the Milky Way’s center detect gamma rays characteristic of the universe’s missing mass.
By Ron Cowen -
Health & MedicineThe fingers don’t lie
The brain has at least two copy editors, typing experiments show.
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HumansDeep African roots for toolmaking method
A method for trimming stone-tool edges appeared 75,000 years ago in southern Africa, archaeologists contend, long before previous evidence of the practice.
By Bruce Bower -
SpaceNeutron star breaks mass record
The new heavyweight champion in its stellar class rules out a number of exotic theories.
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Life1000 Genomes pilot a hit with geneticists
The first stage of a project to probe human genetic diversity has found millions of new variations.
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Health & MedicinePancreatic cancer years in the making
A decade elapses from the first cancer-related mutation to tumor formation, and several more years pass until the disease spreads to other organs, a new study finds. The work raises the possibility that a usually deadly malignancy can be treated before it’s too late.
By Nathan Seppa -
Red-yeast cholesterol fighters can be worthless
Manufacturers don’t report quantities of active ingredients, which can be next to nil, or the presence of fungal toxins.
By Janet Raloff -
HumansWeighing risks, convicts display blind spots
Prisoners often don’t appreciate likely gains or losses in making decisions, a finding with possible policy implications.
By Bruce Bower -
SpaceSpacecraft eavesdrops on distant stars
By listening to sound waves, researchers hope to learn about the age and composition of distant worlds.
By Ron Cowen -