7,733 results
- Ecosystems
Changing seasons inspire science
Researchers are tapping into the wealth of observations being made by citizen scientists nationwide. One of the largest repositories of such data is maintained by the USA National Phenology Network.
- Earth
New pathway proposed for ancient flood
Meltwaters off the northwestern part of Canada’s ice sheet would have shut down the ocean’s heat circulation 13,000 years ago.
- Science & Society
Scientists take on Twitter
Social media comes into its own as a tool and a subject for study.
- Life
Birds catching malaria in Alaska
The mosquito-spread disease may be transmitted north of the Arctic Circle as climate shifts.
- Climate
Gulf Stream might be releasing seafloor methane
Greenhouse gas may be flowing into ocean waters off the U.S. east coast.
- Planetary Science
Violent past revealed by map of moon’s interior
A gravity survey by twin orbiters reveals how much the lunar surface was pummeled by meteorite impacts early in its history.
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Letters
Finding parasitic behavior Two adjacent stories, both by Tina Hesman Saey, at first glance may appear to be unrelated but in actuality show examples of a well-known phenomenon: parasites adversely affecting the behavior of the host so that the parasite can get to its next victim. The article “Belly bacteria can boss the brain” (SN: […]
- Planetary Science
Mars clays may have volcanic source
Deposits didn’t need flowing water to form, new research suggests.
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- Astronomy
Curiosity goes to the flow
Sent to Mars in search of water and other evidence of habitability, the rover appears to have landed in a dry streambed.
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The volcano watcher
Matt Patrick’s office is perched not far from the summit of Hawaii’s busiest volcano: Kilauea. When it erupts, he has a good view. Of course, it’s his job to see every possible vista of the peak, whether it’s flying over in a helicopter, hiking to fissures and along lava fields or checking webcams, seismometers and […]
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Traces of Inaugural Life
Geologists, biologists join forces to tell new stories about the first cells on Earth.
