News
- Health & Medicine
Microbes clean up mercury
Researchers think a microbe could clean up mercury-laced Native American artifacts.
- Life
Replaying evolution
By watching bacteria evolve in the lab for 20 years, researchers show that evolution may be rather capricious.
- Humans
Fostering gains
New studies indicate that abused and neglected kids benefit from living with relatives and from high-quality foster care services.
- Earth
Natural heat
Heat from the decay of radioactive elements deep within the planet could meet Earth’s energy needs almost three times over — if we could harness all of it.
- Planetary Science
Dispatch from Mars, Sol 4
The good news is a tentative sighting of ice by the Mars Phoenix Lander. The bad news is the discovery of a glitch in the system that will analyze soil samples.
- Earth
Virtual seismometer
A new supercomputer simulation of the large quake that struck central China earlier this month could help researchers estimate the size of the ground motions experienced in areas that didn’t have seismic instruments.
- Earth
Death downwind
Pollutants generated by human activity in Europe significantly boost ozone concentrations downwind, harming people’s health and causing thousands of premature deaths in North Africa, the Near East and the Middle East.
- Health & Medicine
High doses
Emergency room patients are exposed to high doses of radiation from CT scans and other nuclear medicine.
- Life
Tracing human roots
Using a new method of data analysis, researchers have found that the Americas were peopled in two different migrations.
- Climate
Already feeling the heat
Long-delayed U.S. government summary of climate change science sees effects on energy, transportation, farming, and water.
- Planetary Science
Rarin’ to go
After a day’s delay, the robotic arm on the Mars Phoenix Lander is free of its shackles and is preparing to dig for ice.
- Archaeology
Domain of the dead
Researchers say that Stonehenge functioned as the largest cemetery of its time.
