Humans
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We summarize the week's scientific breakthroughs every Thursday.
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Health & MedicineAttention Loss: ADHD may lower volume of brain
Brain-scan data show that the brains of children diagnosed with attention-deficit hyperactivity disorder are slightly smaller than those of their peers who are free of psychiatric disorders.
By Bruce Bower -
HumansFrom the April 26, 1930, issue
FLOWERS FROM STEEL The same fascinating sparks that the village children used to watch “flying like chaff from a threshing floor” are now used to save industry thousands of dollars, for they have been found to be an index to the many kinds of modern steels, which differ from one another only slightly in carbon […]
By Science News -
Health & MedicineInducing eye-tumor cells to self-destruct
By restarting the subdued self-destruct signal in cancer cells, researchers studying eye cancers have found a way to stop these cancers in cell cultures and in a rabbit model.
By Nathan Seppa -
Health & MedicineMove your head, hurt your golf game
Right-handed golfers using a conventional grip move their head and eyes more during putts than they do when using a cross-handed or one-handed grip, suggesting these alternative grips might work better.
By Nathan Seppa -
HumansRare animals get U.N. protection
Several types of whales, river dolphins, the great white shark, and an unusual camel are among animals designated to receive new or heightened protection under a United Nations treaty.
By Janet Raloff -
Health & MedicineMaking the optic nerve sprout anew
A compound made during inflammation, a natural reaction to injury, can induce optic nerve regeneration in a lab-dish concoction including rat retinal ganglion cells.
By Nathan Seppa -
Health & MedicineFDA Launches Acrylamide Investigations
You knew french fries and potato chips werent health foods. Sure, theyre veggies, but their deep-fat frying adds scads of fat. Depending on whos doing the cooking, that fat can be the saturated type, which can lead to clogged arteries. But until April, who could have suspected that these oh-so-yummy golden-brown spuds were also laced […]
By Janet Raloff -
Health & MedicineCatching macular degeneration early
Scientists have developed a test that uses the eye's ability to adapt to darkness as a test for age-related macular degeneration, the most common cause of blindness in elderly people.
By Nathan Seppa -
HumansFrom the October 8, 1932, issue
AUTUMN BRINGS NOBILITY EVEN TO CORNFIELD WEEDS Autumn is the time of the Truce of God. Even as a beggar may assume a certain dignity when he is about to die, so the commonest weeds often take on beauty when all things pause to make last salute to the retreating sun, before the hora novissima […]
By Science News -
Health & MedicineA Prized Worm
This year’s Nobel Prize in physiology or medicine went to researchers who pioneered the use of the tiny worm Caenorhabditis elegans as an animal model for exploring basic processes involved in the development and behavior of multicellular organisms. Learn more about the remarkable C. elegans from a Vanderbilt University news feature about this “elegant worm” […]
By Science News -
Health & MedicineStressing out
A gene variant reduces people's response to the stress hormone cortisol, and people with the variant are less likely to have risk factors for heart disease and diabetes.
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ArchaeologyMaya warfare takes 10 steps forward
The discovery of hieroglyphic-covered steps on the side of a Maya pyramid has yielded new information about warfare between two competing city-states around 1,500 years ago.
By Bruce Bower