Uncategorized
-
ClimateA little drier every day
The Sahara, one of the hottest and driest regions on Earth, gradually became arid over a period of centuries, a finding that contradicts many previous studies.
By Sid Perkins -
-
SpaceA new look at the gamma-ray sky
Explosions pouring out as much energy in seconds as the sun does in its entire lifetime. Invisible beams of radiation sweeping across the sky like giant searchlights. Supermassive black holes emitting powerful and highly variable jets of radiation. GAMMA GLOW Simulation of the high-energy sky that will be seen by GLAST. Sonoma State, NASA The […]
By Ron Cowen -
Health & MedicineGlucose galore
Pregnant women with elevated blood sugar are more likely to have oversized babies, posing a risk to mother and newborn.