All Stories
- Chemistry
Radioactive fuel turns to goo during nuclear meltdown
Experiments reveal the atomic rearrangements that occur within uranium dioxide when nuclear reactors fail.
By Beth Mole - Archaeology
Barley elevated Central Asian farmers to ‘the roof of the world’
Hardy western crops allowed villagers to settle in the cold, thin air atop the Tibetan Plateau.
By Bruce Bower - Cosmology
Galaxies may be aligned across 1 billion light-years
Powerful plasma jets from cores of galaxies seem to mysteriously align with one another and hint at an unknown mechanism shaping galaxy groups.
- Neuroscience
After injury, estrogen may shield the brain
Estrogen helps to prevent some of the chronic inflammation that occurs after brain injury.
- Planetary Science
Setting sights on Mars — a half-century ago
Fifty years ago, the United States turned its eyes toward Mars and set a goal of sending humans as soon as possible.
- Health & Medicine
The kids will be all right
Children are generally as resilient as adults when it comes to acute trauma, and studies suggest that a little stress and exercise might help kids cope with disasters.
- Animals
Virus implicated in sea star die-off
Sea stars on the west coast have been wasting away into puddles of slime. Now, scientists think they have pinpointed the virus that is causing the mass die-off of the dazzling marine creatures.
- Particle Physics
Two new particles found at Large Hadron Collider
Physicists with the Large Hadron Collider beauty experiment have identified two new particles called Xi_b'- and Xi_b*-.
- Neuroscience
Breathing returns to paralyzed rats
Scar tissue–busting enzyme plus rehabilitation therapy improves respiration long after rats’ initial spinal cord injuries.
By Meghan Rosen - Life
Norovirus can play protective role in mice
In mice, viral infection can help intestines develop, strengthen immune system.
- Neuroscience
Areas people like to be caressed match up with nerve fibers
A caress in a sweet spot at the right speed activates nerve fibers tied to social touch.
- Planetary Science
Planets stake their claim around infant star
At the center of the newly released telescope image is HL Tau, a star located about 450 light-years away in the constellation Taurus. A dense disk of gas and dust surrounds the star, which is a youthful million years old.