All Stories
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SpaceEarly stars created a sight yet unseen
Radio telescopes, operating in the future at a different frequency, might be able to discern the stellar signature, researchers suggest.
By Nadia Drake -
HumansAncient North Africans got milk
Pottery study unveils early dairy practices among Saharan cattle herders.
By Bruce Bower -
HumansWhat’s in your wallet? Another ‘estrogen’
A chemical cousin of bisphenol A, a hormone mimic, has turned up on banknotes from around the world in addition to tainting 14 other types of papery products. Owing to the near ubiquity of BPS in paper, human exposure is likely also “ubiquitous,” conclude the study's authors. Oh, and a second new study shows that BPS behaves like an estrogen.
By Janet Raloff -
Health & MedicineMore adults put off kids’ vaccinations
Scientists say the practice has no proven value and poses risks of infection.
By Nathan Seppa -
EarthIcelandic volcanoes slumber today, but not forever
Eruptions pepper the North Atlantic island.
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Health & MedicineLike a prion, Alzheimer’s protein seeds itself in the brain
Injecting amyloid-beta into mice may induce misfolding of native amyloid-beta molecules, leading to the buildup associated with the neuron-killing disease.
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Science & SocietyMeasuring how well kids do science
On June 19, the National Assessment of Educational Progress released the first national report card gauging the performance in hand-on and research-oriented interactive computer tasks by U.S. children. And the overall grades: Well, they show lots of room for improvement.
By Janet Raloff -
LifePeacocks ruffle feathers, make a rumble
New recordings reveal that male birds use infrasound, emitting low-pitch sounds detected by peers but inaudible to human ears.
By Susan Milius -
TechThe descent of music
Using an evolutionary process, researchers create pleasing tunes out of grating noise.
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SpaceAmerican Astronomical Society Meeting
Highlights from the 220th AAS meeting held June 10-14 in Anchorage, Alaska.
By Nadia Drake -
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AstronomyGiant celestial disk hard to explain
A star's oversized debris ring challenges theories of planet formation.
By Nadia Drake