News
- Physics
Suction hunters
Scientists reveal new details on how extendable jaws help fish capture prey.
- Health & Medicine
Time on their side
Review of a decade's worth of major league baseball games shows a slight cost in performance in teams with jet lag.
- Health & Medicine
Thanks for the pounds, Mom
When inherited from mom, a gene linked to obesity and diabetes interferes with blood sugar metabolism.
- Health & Medicine
Ineffective alternative
The herbal remedy St. John’s Wort may not treat ADHD, a new study shows
- Animals
Invasion of the salmon
Chinook salmon, dwindling in the United States, go wild in South America.
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- Health & Medicine
Take a nap
A nap is the most effective way to combat an after-lunch slump, but caffeine will help too.
- Paleontology
Ancient burrows
Triassic-era sediments unearthed in Antarctica reveal the well-preserved lair of a four-legged, mammal-like reptile.
- Paleontology
A mammoth divide
Woolly mammoths roamed Siberia in two distinct clans, and the split between the groups, scientists say, is surprisingly deep, occurring more than 1 million years ago.
- Health & Medicine
Sun up
Men with lower concentrations of vitamin D have higher risk of heart attack.
- Life
Simple body, complex blueprints
Genes key to the development of modern animals' body plans show up in primitive-looking comb jellies.
- Health & Medicine
Wake up and smell the java
The smell of coffee leads to changes in gene activity in sleep-deprived rats, hinting at the molecular basis for the relaxing effect of the aroma seen in experiments.
