News
- Earth
Archaeopteryx fossil seen in new light
X-ray technique reveals original tissue in the feathers of a primitive bird fossil.
- Science & Society
Intel International Science and Engineering Fair begins
Young scientists converge in San Jose, Calif., where they will compete for over $4 million in scholarships and prizes.
- Earth
Gravity lows mark burial sites of ancient tectonic plates
Dips in Earth's gravitational field are tied to 'slab graveyards'
- Astronomy
Fast-moving star is a really big loser
The cosmic bullies that sent 30 Doradus 016 reeling must be even bigger, possibly upping the theoretical maximum heft of today’s stars.
- Space
Asteroid-bound: Scientists look for worthy rock
Scientists consider how to pick a prime asteroid for human exploration
- Life
One ocean, four (or more) killer whale species
A new genetic analysis splits killer whales into multiple taxa.
- Health & Medicine
Taste of power goes to the head, then muscles
Just a swish of the carbohydrates in an energy drink can increase muscle performance, a study suggests.
- Health & Medicine
Genetic switch makes old mice forgetful
Reversing a chemical change restored the animals’ memory-making ability.
- Life
Neandertal genome yields evidence of interbreeding with humans
After years of looking, geneticists are shocked to find that 1 percent to 4 percent of DNA in people from Europe and Asia is inherited from Neandertals.
- Chemistry
Decon Green can clean up the most toxic messes, developers claim
A new decontaminant could be a more benign alternative for cleaning up after chemical and biological accidents.
- Life
Undereducated immune cells get aggressive with HIV
Scientists discover a mechanism that makes some people resistant to infection with the AIDS virus.
- Space
New Hubble pictures suggest Milky Way fell together
A preliminary analysis appears to strike a blow against the prevailing theory of galaxy formation.
