Uncategorized
- Health & Medicine
To develop male behavior, rats need immune cells
Research reveals unexpected role for cells called microglia in shaping the brain.
- Health & Medicine
Compound linked to IVF success
Women with high blood concentrations of anti-Müllerian hormone were more likely to conceive and give birth after in vitro fertilization.
- Health & Medicine
U.S. breast-feeding rates up
Between 2000 and 2008, the fraction of women breast-feeding babies increased, as did the fraction breast-feeding for a year.
- Humans
In research, it matters whether you’re a man or a mouse
A study that compares trauma responses of mice with those in people questions the relevance of mouse research to human disease.
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- Life
Ancestors of today’s placental mammals may never have shared the Earth with dinosaurs
A newly constructed family tree dovetails with the fossil record, but differs considerably from previous genetic studies by suggesting that placental mammals emerged after the dinosaur extinction.
- Animals
Compared with rodents, bat species carry more viruses
Viruses that can jump from animals to people may find the flying mammals a fine place to lurk.
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SN Online
FRAME OF MIND Laura Sanders ponders turning off depression instantaneously in her column “A new generation of antidepressants could help patients feel better faster.” A. Muto et al/Current Biology 2013 BODY & BRAIN See a video of nerves firing in a fish larva’s brain (below) as it hunts in “As fish watch prey, researchers watch […]
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Science Future for February 23, 2013
March 23 See rare whale specimens, watch a re-creation of a whale hunting a squid and learn how scientists track these giants at the new Whales: Giants of the Deep exhibition at New York City’s American Museum of Natural History. See bit.ly/SFamnhwhale March 28 The Russian Soyuz spacecraft launches from Kazakhstan carrying three crew members […]
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Science Past from the issue of February 23, 1963
NEW AIR TRANSPORT — Instead of trains on railroads and trucks on expensive highways, the less developed countries in the future are likely to use for their transport hybrid helicopter-airplanes that need only simple landing fields and no roads or rails between. This possibility was offered … by Dr. Phillip R. Carlson of the Lockheed […]
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