Where There's Smoke There's Judgment
July 18, 1998 | Volume 154 | Number 3Cover: Real-world decisions, such as those made by firefighters trying to tame a blaze, have attracted the interest of scientists who hope to illuminate the nature of expertise.
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News of the Week:Infanticide Reported in Dolphins
Two research teams have found evidence of infanticide among dolphins off Virginia Beach in the United States and in Moray Firth in Scotland.
Taking charge of artificial molecules
Electrons in an artificial molecule may have been made to dance to the tune of an external controlling beam for the first time a possible step toward molecule-based computers.
Tamoxifen may not prevent breast cancer
Contradicting a U.S. trial, studies in England and Italy showed no significant preventative effect of the drug tamoxifen in women at high risk of breast cancer.
Air-filled spaces make swifter chips
Building air gaps into computer chips could help improve their speed.
Paleoscatology: Prying DNA from dated dung
Genes preserved in the dung of an extinct ground sloth reveal the animals diet..
Protein chain mail offers armor for viruses
The shells that protect certain viruses have protein rings that interlink.
Livestocks role in antibiotic resistance
Although use of antibiotics to promote livestock growth can foster the emergence of bacteria immune to those drugs, an expert panel concluded that the problem does not yet appear to constitute an immediate health concern. Women with anorexia face ongoing problems
ITwelve years after women had recovered from anorexia nervosa, they continue to show psychological signs of the disorder, have low weight, and exhibit other psychiatric conditions.
What wild chimps want for breakfast
Wild chimpanzees have a sweet tooth that makes them overlook a bitter flavor.
Leaf spots cause skewed abortions
A pesky leaf fungus may be responsible for shifting the reproductive efforts of showy mountain shrubs.
Are junior boobies always losers?
Among blue-footed boobies, picked-on younger sibling stays a wimp when moved to a new home with a smaller nest mate.
Hormone fights fat in humans
Leptin helped some but not all obese people lose weight in a 6-month test.
Leptin augurs heart attach, diabetes?
Leptin, the obesity hormone, may play a role in heart disease.
Oxygen gets superconducting powers
Under high pressures and cold temperatures, oxygen becomes a superconductor.
Test can find traces of drugs in milk
A sensitive new method can quickly detect antibiotics in cows milk.
Bubble factory for petroleum catalyst
Ultrasound creates tiny particles of molybdenum sulfide.
What aircraft leave behind
Jet traffic may be substantially increasing the number of tiny particles in the atmosphere and stimulating cloud growth.
Weather satellite GOES bad
One of the top U.S. weather satellites is nearing death, but a back up craft is on hand.
Playing Your Cards Right
Poker comes out of the back room and into the computer science lab
Researchers strive to create a computer program that plays championship poker.
Seeing through Expert Eyes
Ace decision makers may perceive distinctive worlds
An emerging field of research explores what it means to be an expert in fields ranging from firefighting to medicine.
Letters: A Selection from Letters to the Editor
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