News
- 			 Earth EarthDeath downwindPollutants 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. By Sid Perkins
- 			 Health & Medicine Health & MedicineHigh dosesEmergency room patients are exposed to high doses of radiation from CT scans and other nuclear medicine. By Tia Ghose
- 			 Life LifeTracing human rootsUsing a new method of data analysis, researchers have found that the Americas were peopled in two different migrations. By Tia Ghose
- 			 Climate ClimateAlready feeling the heatLong-delayed U.S. government summary of climate change science sees effects on energy, transportation, farming, and water. By Susan Milius
- 			 Planetary Science Planetary ScienceRarin’ to goAfter a day’s delay, the robotic arm on the Mars Phoenix Lander is free of its shackles and is preparing to dig for ice. By Ron Cowen
- 			 Archaeology ArchaeologyDomain of the deadResearchers say that Stonehenge functioned as the largest cemetery of its time. By Bruce Bower
- 			 Archaeology ArchaeologyFootprints in the ashHumans may have been walking around what is now central Mexico 40,000 years ago. By Sid Perkins
- 			 Animals AnimalsNot so prudish after allUnsuspected genetic diversity found in asexual animals. By Amy Maxmen
- 			 Health & Medicine Health & MedicineReading minds … or at least brain scansBy analyzing brain activity, computers can tell what word is on your mind. By Tia Ghose
- 			 Planetary Science Planetary ScienceMore than a pinchWater believed to flow on the Red Planet would have been too salty to foster life, scientists suggest. 
- 			 Health & Medicine Health & MedicineMonkey think, robotic monkey arm doIn 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 LifeKiller bee colonizationA 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. By Sid Perkins