Uncategorized
- 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.
- Archaeology
Footprints in the ash
Humans may have been walking around what is now central Mexico 40,000 years ago.
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- Health & Medicine
Reading minds … or at least brain scans
By analyzing brain activity, computers can tell what word is on your mind.
- Planetary Science
More than a pinch
Water believed to flow on the Red Planet would have been too salty to foster life, scientists suggest.
