News
-
EcosystemsParrot survey finds poaching but also hope
The largest review yet of wild parrot nesting finds poaching worrisomely frequent but also sees cause for hope in the efects of a U.S. protection law.
By Susan Milius -
Teens’ ADHD treatment gets low-dose boost
Teenagers diagnosed with attention-deficit hyperactivity disorder may reap substantial academic benefits from treatment that combines behavioral training with low doses of stimulant medication.
By Bruce Bower -
Gene variations police the storage of fat
Researchers have uncovered genetic variations controlling a calorie-draining spigot in the body.
-
EarthSalmon hatcheries can deplete wild stocks
Hatchery fish appear to be replacing wild salmon populations in the Columbia River.