Uncategorized
- 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.
- Computing
New device identifies money by its color
Two teens have invented a gadget that can help the blind identify the value of a banknote based on its color.
- Earth
Cool Jobs: Getting to know volcanoes
It’s too hot to explore the insides of a volcano. These scientists examine their lava, their low-frequency rumblings and their ‘vog’.
- Brain
Eyes offer new window into Alzheimer’s disease
The eye’s retina is distinctly different in people with Alzheimer’s disease compared to those with no signs of the malady, two teens now report finding. It could lead to earlier diagnosis of the brain disease.
- Brain
Left brain stands guard during sleepovers
Part of the left half of the brain remains on alert while the rest of the brain and body snooze.
