Uncategorized
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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 […]
- Humans
From 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 […]
- Space
Martian sands
Sandy soil on the Red Planet hints at an ancient mix of volcanic activity and water, a potent breeding ground for life.
- Space
Gamma-ray bling!
A recent, unusually luminous gamma-ray burst is shedding new light on these stellar explosions and the visible light they produce.
- Health & Medicine
Vacillating stem cells
Unsuspected, ever-changing variation among stem cells in bone marrow helps determine the development path the cells will follow during differentiation.
- Humans
Butting 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.
- Chemistry
Slippery when dry
Surfaces that mimic the back of an African beetle can collect water from fog.
- Health & Medicine
Trust again
The ability to trust others even after violations of trust is regulated by the hormone oxytocin.
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- Space
Supernova 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.
- Health & Medicine
Nonstick toxicity
By mimicking the action of estrogen, a widely used nonstick chemical promotes cancer development in animals.
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