News
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SpaceLarge Hadron Collider shuts down early for the winter
CERN announces that needed repairs, plus high fuel costs, will delay the first planned collisions until next spring.
By Ron Cowen -
Planetary ScienceSaturn’s rings may not be as young as they look
Saturn's rings might be more massive, and thus older, than researchers had believed.
By Ron Cowen -
LifeNanoparticles: size and charge matter
Nanoparticles can be designed for targeted delivery of drugs or genes into the body. New work reveals details of how blood proteins respond to these particles.
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Health & MedicineThis is the brain on age
The activity of genes in men's brains begins to change sooner than it does in women's brains, a new study shows.
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HumansStone Age seafood fans
Excavations in two Gibraltar caves suggest that Neandertals, like modern humans, regularly visited the Mediterranean shore to complement a land-based diet with seafood
By Bruce Bower -
EarthContinental clash cooled the climate
The collision between India and Asia set off events that caused long-term cooling in Earth’s climate, new research suggests.
By Sid Perkins -
Health & MedicineLo-Cal bones hold up
One study of many recent investigations of how calorie restriction affects people shows that bone density does not necessarily suffer when a person loses weight quickly.
By Nathan Seppa -
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LifeFDA releases guidelines for genetically modified animals
Draft rules lay out policies for approving altered animals, including those used for food.
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ChemistryA better fate for plastic bottles
Using microbes to convert PET into a high-value plastic could encourage more recycling.
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Planetary ScienceRacing against the Martian winter
With solid findings under its belt and the Martian summer waning, the Phoenix Mars lander perseveres in its study of the soil and sky of the planet’s arctic plain.
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PhysicsA ‘novel’ chemistry to make fuel from sugar
It’s not alchemy, but it might sound like it: a new way to transform sugars from plants into gasoline, diesel or even jet fuel by passing the sugars over exotic materials.