Humans
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We summarize the week's scientific breakthroughs every Thursday.
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Health & MedicineBilirubin: Both villain and hero?
Bilirubin, which causes jaundice in newborns, may protect against cellular damage.
By John Travis -
Health & MedicineIn Silico Medicine
Medical researchers are increasingly turning to computer simulations to help them understand the complexity of living systems, design better drugs, and treat patients more effectively.
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HumansFrom the December 10, 1932, issue
CALVES RETAIN PART OF WILD THINGS’ CHARM Cows are prosaic. Like all the rest of us who have grown into maturity and (alas!) responsibility, they have their workaday jobs in a workaday world, seeing to it that we get butter and, eventually, beefsteaks. But calves still have something reminiscent of the long-lost wild freedom of […]
By Science News -
Health & MedicineHome Cooking on the Wane
Thanksgiving, Christmas, and Passover are among the few holidays on which home-cooked meals remain the norm. On most other days of the year, a large and growing share of U.S. diners happily leave the cooking of at least one meal to professionals. Eating in. Eating out. Home cooking used to signify meals with a healthy […]
By Janet Raloff -
Health & MedicineCluster Bombs: Metabolic syndrome tied to heart disease deaths
Men with a certain cluster of metabolic characteristics are about three times as likely to die of heart disease as men without the traits are.
By Ben Harder -
Health & MedicineJarring Result: Extreme biking can hurt men’s fertility
Men who maintain grueling mountain-bicycling programs are apt to have lower sperm counts than nonbikers are.
By Nathan Seppa -
AnthropologyScript Delivery: New World writing takes disputed turn
Researchers announced, to considerable controversy, that inscriptions found on artifacts at an Olmec site in southeastern Mexico represented the earliest known writing system in the Americas.
By Bruce Bower -
Health & MedicineKeeping the beat
Muscle cells taken from embryonic rats and put into an adult rat's heart can transmit the electric signals that govern the heartbeat.
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Health & MedicineCycling and surgery have similar effect
Among people with chest pain because of clogged heart arteries, regular exercise on a stationary bike reduced symptoms better than surgery did.
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Health & MedicineA hot new therapy?
Spending time in a sauna improves heart function in people with chronic heart failure.
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Health & MedicineProtein may signal heart problems
A protein already linked to inflammation is also a strong predictor of heart problems.
By Nathan Seppa -
HumansFrom the December 3, 1932, issue
“QUICKER’N A WINK” Quick as a wink is a great deal too slow. This proverbial epitome of speed is beaten a dozen times over by the newest trick in scientific high-speed photography, which can take 13 “frames” of motion pictures of a human eye during the fortieth of a second it spends in getting shut. […]
By Science News