News
- Ecosystems
Parrot 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.
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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.
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Gene variations police the storage of fat
Researchers have uncovered genetic variations controlling a calorie-draining spigot in the body.
- Earth
Salmon hatcheries can deplete wild stocks
Hatchery fish appear to be replacing wild salmon populations in the Columbia River.
