Uncategorized
- Psychology
Researchers find early autism signs in some kids
A long-term investigation raises the possibility of identifying 14-month-olds who will develop autism spectrum disorder almost two years later.
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Science Future for March 27, 2010
April 23 Celebrate National DNA Day through a webchat with NIH researchers. Go to www.genome.gov/10506367 April 26 – 30 Scientists and engineers meet in Nottingham, England, to discuss the science of quantum dots. See www.qd2010.org May 14 Deadline for receipt of nominations for AAAS fellows. Download forms at www.aaas.org/aboutaaas/fellows
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Science Past from the issue of March 26, 1960
HIDDEN WATER TRACED BY BOMB FALLOUT IN RAIN — Radioactive fallout from atom bomb tests can be used to seek out and “expose” new sources of drinking water that lie hidden deep in the earth…. Raindrops have an affinity for absorbing minute particles of tritium from the fallout left in the atmosphere after nuclear bomb […]
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Letters
Ancient graffiti Regarding “Graffiti on the walls in Pompeii” (SN: 01/30/10, p. 14), I remember reading some years ago about graffiti being discovered in Pompeii. There was even a symbol that researchers interpreted as a sort of “Kilroy was here.” Is this an ongoing study? New sites? I wonder if there were other markings, such […]
- Space
Magnetic flows cause sunspot lows, study shows
Observations of gas flows on the solar surface may explain why the sun recently had such a prolonged case of the doldrums; could lead to more accurate predictions for the duration and severity of future solar cycles.
- Physics
For quantum computer, add a dash of disorder
Flawed crystals could help couple light to matter and may compete with more perfectly ordered materials.
- Health & Medicine
Temporary hearing impairment leads to ‘lazy ear’
A rodent study shows that even after ear infections clear up, brain rewiring may cause long-term hearing problems.
- Health & Medicine
First complete look at families’ genes
Comparing the complete genetic material of family members pinpoints genes involved in three rare inherited diseases.
- Chemistry
Polymer shifts shape with changing temperature
Common material’s ‘memory’ could be exploited for smart fabrics or other gadgets.
- Life
Chicken cells have strong sense of sexual identity
In birds, hormones may not be the last word in determining males and females.
- Life
Evolutionary genetic relationships coming into focus
Researchers have filled in about 40 percent of the tree of life for mammals and birds, but other vertebrates lag behind.
- Health & Medicine
Cocktails ward off the bulge
A large study has found that middle-aged women who drink moderately gain less weight over the years compared to their teetotaling peers.
