Uncategorized
- 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.
- Health & Medicine
Monkey think, robotic monkey arm do
In a step toward someday making brain-controlled prosthetic arms for people, scientists have trained monkeys to control a robotic arm with their thoughts. Click on the image to read the story and see the video.
- Life
Killer bee colonization
A NASA project will combine satellite observations of plant growth in the continental United States and projections of how climate might change in coming years to estimate where “killer bees” could ultimately survive in the wild.
