Uncategorized
- Space
Lowdown on the sun
The current solar minimum is the lowest — and one of the longest — recorded in the past 50 years, since modern measurements began.
- Space
Large 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.
- Planetary Science
Saturn’s rings may not be as young as they look
Saturn's rings might be more massive, and thus older, than researchers had believed.
- Life
Nanoparticles: 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.
- Health & Medicine
This 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.
- Humans
Stone 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
- Earth
Continental 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.
- Health & Medicine
Lo-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.
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- Math
Largest known prime number found
The Great Internet Mersenne Prime Search, a cooperative computing project, helps find a prime that has nearly 13 million digits.
- Life
FDA releases guidelines for genetically modified animals
Draft rules lay out policies for approving altered animals, including those used for food.
- Chemistry
A better fate for plastic bottles
Using microbes to convert PET into a high-value plastic could encourage more recycling.
