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Health & MedicineLingering Loss: In 2-year diet trial, new pill keeps off weight
Obese adults who lose weight during a year of taking an experimental diet drug, rimonabant, and dieting keep the weight off during the following year, if they continue the regimen.
By Ben Harder -
Health & MedicineProblems for Preemies: Early birth is linked to insulin overproduction
Children born prematurely are more likely than their full-term counterparts to develop insulin resistance, a marker for diabetes.
By Nathan Seppa -
Unhealthy Change: Diversity in a bacterial colony can prolong infections
Bacteria that live in biofilms can diversify into several different types, making infections harder to treat.
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TechLighthearted Transistor: Electronic workhorse moonlights as laser
A versatile new transistor amplifies electricity and emits a laser beam.
By Peter Weiss -
ChemistryBusy Beads: Magnetic dust takes droplets for a ride
With a bit of dust and a magnet, chemists can shuttle drops around on a surface, an advance that could lead to chemistry labs on a chip.
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In this article, you report on a study in which it was found that female monkeys raised in a stressful situation drink alcohol to excess only if they possess just the short serotonin-transporter gene. If a positive correlation were to be found in abusers of drugs and alcohol and the presence of two copies of […]
By Science News -
Profiles in Melancholy, Resilience: Abused kids react to genetics, adult support
Abused and neglected children who possess two copies of a gene that affects brain chemistry develop depression at an elevated rate only if they also lack support from at least one adult.
By Bruce Bower -
PaleontologyPlenty of dinosaurs yet to be found
Despite a dramatic surge in dinosaur discoveries in recent years, paleontologists won't soon run out of interesting new fossils to unearth, a new analysis suggests.
By Sid Perkins -
Paleontology. . . and the big bird that didn’t
The California condor, one of today's largest and rarest birds, may have survived the last ice age because of its varied diet.
By Sid Perkins -
PaleontologyThe big fish that went away . . .
Fossils found near Charleston, S.C., suggest that an extinct species of billfish related to today's swordfish and marlin would easily exceed the lengths documented for world-record specimens of those oft-sought sports fish.
By Sid Perkins -
Health & MedicineStaph receptor as drug target
A receptor molecule on the surface of the bacterium Staphylococcus aureus might present an exploitable weak spot in the microbe's defenses.
By Nathan Seppa -
Health & MedicineA vaccine for cervical cancer
A vaccine against human papillomavirus, which causes cervical cancer, has proved 94 percent effective in preventing the virus from infecting women.
By Nathan Seppa