Uncategorized
- Climate
Ocean bacteria may have shut off ancient global warming
Ocean-dwelling bacteria may have helped end global warming 56 million years ago by gobbling up carbon from the CO2-laden atmosphere.
- Climate
IPCC calls for swift switch to alternative power
Rapid adoption of green power production will be necessary to avert a climate crisis, latest IPCC report says.
By Beth Mole - Astronomy
Early Mars couldn’t hold liquid water long
Small rocks hit Mars 3.6 billion years ago, suggesting an early atmosphere too thin for liquid water to hang around very long.
- Particle Physics
Exotic particle packs a foursome of quarks
Tetraquarks could help physicists understand the universe’s first generations of matter.
By Andrew Grant - Genetics
Five mutations could make bird flu spread easily
Handful of alterations can turn H5N1 bird flu into virus that infects ferrets through the air.
- Cosmology
Galaxy’s gamma-ray glow may expose dark matter
An excess of gamma rays at the center of the Milky Way could be a signature of dark matter.
By Andrew Grant - Life
In a crisis, fruit flies do stunt turns
An elaborate monitoring system reveals that fruit flies can execute sophisticated flying maneuvers in the face of danger.
By Susan Milius - Neuroscience
Smell wiring gets set early
Mess with a baby mouse’s olfaction for too long and neurons never recover.
- Computing
App could cut jet lag short
A new app calculates lighting schedules to help travelers adjust quickly to new time zones.
By Meghan Rosen - Astronomy
Neutrinos from space rain down from all directions
Using Earth as a filter, scientists detect thousands of neutrinos from beyond the solar system.
By Andrew Grant - Paleontology
La Brea Tar Pits yield exquisite Ice Age bees
Ancient bee pupae snug in leafy nest give clues to Pleistocene climate.
By Susan Milius - Cosmology
Speed of early universe’s expansion determined
The rate known as the Hubble constant is measured with great precision for the universe of 11 billion years ago.
By Andrew Grant