News
- 			 Health & Medicine Health & MedicineWhy a rotten tooth is hard to findThe brain can’t distinguish some kinds of pain coming from top versus bottom teeth. 
- 			 Space SpaceNot your grandfather’s space programPresident Obama offers a new plan that would send humans to orbit Mars during the mid-2030s. By Ron Cowen
- 			 Earth EarthAsh from Icelandic eruption may just be the startA recently awakened volcano often goes off in tandem with a much bigger one nearby. 
- 			 Space SpaceFamous Martian meteorite younger than thoughtThe famous fragment of Mars, once proposed to hold signs of extraterrestrial life, is still pretty old. But the rock appears to have formed about 400 million years later than earlier analyses indicated. 
- 			 Space SpaceStormy weather on SaturnAstronomers have for the first time glimpsed lightning storms on Saturn. By Ron Cowen
- 			 Health & Medicine Health & MedicineEmbryo transfer technique could prevent maternally inherited diseasesA new technique transplants healthy nuclear DNA of cells carrying mutated mitochondria. 
- 			 Health & Medicine Health & MedicineInsulin pump and computer mated to regulate blood sugarA test in type 1 diabetes patients suggests that technology exists to create wearable, self-controlled “artificial pancreas.” By Nathan Seppa
- 			 Materials Science Materials SciencePhysicists untangle the geometry of ropeEquations explain why winding fibers together does the job, no matter what they’re made of. 
- 			 Space SpaceBackward planets may have flipped into placeReversed orbits among ‘hot Jupiters’ decreases chance of Earthlike neighbors. 
- 			 Life LifeMutation effects often depend on genetic milieuGenetic background is at least as important as environment, fruit fly research shows. 
- 			 Health & Medicine Health & MedicineIntentional weight loss in old age not detrimental, study findsAmong obese group, those who shed pounds as part of diet study were less likely to die during follow-up years. By Nathan Seppa
- 			 Math MathHiding patients in plain sightA new technique could help make medical records available to researchers without compromising privacy.