Uncategorized
-
-
Science Future
Through June 15 “Darwin’s Garden: An Evolutionary Adventure,” at the New York Botanical Garden. Visit the New York Botanical Garden online. September 27 Scheduled opening of Ocean Hall at the Smithsonian National Museum of Natural History in Washington, D.C. Visit The Smithsonian National Museum of Natural History online. 2009 International Year of Astronomy, a UNESCO […]
By Science News -
HumansFrom the May 24, 1958 issue
Ancient Skull Puzzles — The 45,000-year-old Neanderthal skull recently assembled from fragments found in Shanidar Cave in Iraq presents a real scientific puzzle to anthropologists because, although his face was very primitive, the back of his head was more like modern man. The description of Shanidar Man as a being who appeared to be a […]
By Science News -
SpaceMartian sands
Sandy soil on the Red Planet hints at an ancient mix of volcanic activity and water, a potent breeding ground for life.
By Tia Ghose -
SpaceGamma-ray bling!
A recent, unusually luminous gamma-ray burst is shedding new light on these stellar explosions and the visible light they produce.
By Ron Cowen -
Health & MedicineVacillating stem cells
Unsuspected, ever-changing variation among stem cells in bone marrow helps determine the development path the cells will follow during differentiation.
-
HumansButting out together
Cigarette smokers who know one another tend to kick the habit all at once, highlighting the importance of social forces in smoking-cessation treatment.
By Bruce Bower -
ChemistrySlippery when dry
Surfaces that mimic the back of an African beetle can collect water from fog.
-
Health & MedicineTrust again
The ability to trust others even after violations of trust is regulated by the hormone oxytocin.
-
EarthAsbestos-like nanotubes
Some carbon nanotubes show signs of asbestos-like toxicity.
By Janet Raloff -
SpaceSupernova Outbreak
Thanks to a lucky break and an overactive galaxy, astronomers report the earliest detection yet of a normal supernova—the explosive death of a massive star.
By Ron Cowen -
Health & MedicineNonstick toxicity
By mimicking the action of estrogen, a widely used nonstick chemical promotes cancer development in animals.
By Janet Raloff