News
- Animals
Crow Tools: Hatched to putter
The New Caledonian crow is the first vertebrate to be shown definitively to have an innate tendency to make and use tools, according to researchers who doubled as bird nannies.
- Earth
Living in a Fog: Secondhand smoke may dull kids’ wits
Millions of U.S. children may have reading deficits because of exposure to secondhand tobacco smoke.
- Health & Medicine
Not to Your Health: New mechanism proposed for alcohol-related tumors
New findings suggest that alcohol encourages blood vessels to invade tumors, supplying nutrients that promote tumor growth.
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Hands-on Math Insights: Teachers’ mismatched gestures boost learning
As teachers instruct a child, they typically use their hands as well as their voices, but only certain gestures pack a powerful educational punch.
