Uncategorized
- Climate
Biggest climate warmers
The United States, China, Russia, Brazil, India, Germany and the United Kingdom are responsible for more than 60 percent of the 0.74 degree Celsius rise in global average temperature observed from 1906 to 2005.
- Climate
Strong winds may have waylaid global warming
Gusts over the Pacific Ocean may have stashed heat underwater since 2001.
By Beth Mole - Science & Society
Naturalists at Sea
For centuries after Columbus, the flora and fauna of the New World remained a mystery to Europeans. But in the 1600s and 1700s, explorers began to visit and describe what were then considered remote corners of the Earth.
By Nathan Seppa - Climate
Weather patterns over Southern Hemisphere have a regular pulse
Variations in energy and rainfall over the Southern Hemisphere follow a pattern that repeats every 20 to 30 days.
- Neuroscience
Cataloging the connections
Though a complete map of the brain’s connections is many years away, the mathematical theory of networks can help fill in some of the blank spots.
- Neuroscience
Brain shot
Deciphering how the brain’s circuitry produces thought and behavior is an ambitious and enticing goal on the scale of the Apollo Program or the Human Genome Project. But the neuroscientists involved in a new federal effort have many challenges ahead.
- Genetics
When flowers died out in Arctic, so did mammoths
Genetic analysis finds vegetation change in the Arctic around same time as megafauna extinction.
- Astronomy
Old stars gleaned neighbors’ gas, Hubble data show
Blue straggler stars can continue to burn hot after taking material from a stellar companion.
- Materials Science
Scientists throw crystals a curve
Particles inside a sphere assemble into ordered ribbons, not lumps.
By Beth Mole - Neuroscience
Diuretic may treat autism, study in rodents suggests
Drug that lowers chloride levels in brain cells staves off symptoms in mice and rats.
- Tech
The gene sequencing future is here
The biggest expense in sequencing a human genome now is the cost of storing it.
By Beth Mole - Planetary Science
Big space rock makes an impact on Mars
An orbiting spacecraft snapped images of a huge crater and blast marks on the surface of the Red Planet.