Uncategorized
- Archaeology
Remains of long-ago child sacrifices found in Belize cave
Thousands of bones in Belize’s Midnight Terror Cave show that the Maya had a long tradition of human sacrifices. New data show that many had been children.
- Tech
Teens invent way to keep floodwaters out of subways
Two New York teens have designed an inexpensive subway grate to block floodwaters from getting into subway tunnels.
- Animals
Male peacocks twerk it to bring in the hens
Scientists recorded peacocks with high-speed video cameras to learn the basic mechanics behind the shows they put on for peahens.
- Earth
Common water pollutants hurt freshwater organisms
The germ killers we use and the drugs we take don’t just disappear. They can end up in the environment. There they can harm aquatic organisms, three teens showed.
- Earth
Dust creates deserts in the sky
Vast rivers of dust flow through the sky. This invisible force shapes our world in profound ways. And scientists are finally homing in on a major source.
- Animals
Snakes go dark to soak in the sun
Snakes are paler in the South and darker in the North. The darker species absorb heat more quickly, a teen showed.
- Chemistry
Nanowires could lead to super-long-lived battery
Scientists have long been looking for ways to make rechargeable batteries that last forever. They now may be close. Their solution: gel-dipped nanowires.
- Animals
Dragons sleep like mammals and birds
Lizards seem to alternate between two sleep states, just as mammals and birds do. This finding could change our understanding of how sleep evolved.
- Animals
Scientists Say: Copepod
Copepods are tiny crustaceans. They eat phytoplankton and float in the water column, although some live in freshwater and on the sea floor.
- Brain
A ‘cocktail’ in the brain can trigger sleep
A new study finds that a ‘cocktail’ of chemicals in the brain can directly cause mice to fall asleep or waken.
- Health & Medicine
Teens take home huge awards for their research
Top three prizes — adding up to $175,000 — are a small fraction of the approximately $4 million just handed out at the 2016 Intel International Science and Engineering Fair.
- Health & Medicine
Injured leg? Here’s a built-in footstool
Sometimes doctors advise people to keep a leg elevated, but there’s no footstool to rest it on. A teen designed a brace with a built-in kickstand.
