Uncategorized
- Earth
Scientists Say: Firewhirl and Firenado
Firewhirls are smallish vortices of ash and flame; firenadoes are true twisters set off by the conditions that come with a wildfire.
- Brain
Surprise! Exam scores benefit from months of regular sleep
Getting enough consistent, quality sleep accounted for nearly a fourth of the differences in students’ exam scores in class.
- Health & Medicine
Drug-resistant germs kill some 35,000 Americans each year
The new mortality rate may be way low, some experts say. Also troubling are two new germs that have emerged as big and urgent threats.
- Animals
Whales echolocate with big clicks and tiny amounts of air
Toothed whales may echolocate using bits of air that they recycle inside their heads to conserve both air and energy.
- Health & Medicine
Today’s nico-teen addicts: What role does ‘juuling’ play?
New data show that the most popular type of U.S. vapes deliver nicotine especially efficiently — boosting risk of addiction.
- Health & Medicine
Vaping emerges as possible trigger for seizures
Anonymous accounts have been filed with the FDA reporting seizures in teens after vaping. These were linked most often to JUUL and related pods.
- Environment
Don’t toss that vape!
Plenty of people talk about potential risks of vaping. But this teen habit also saddles schools with lots of trash — some of it quite toxic.
- Physics
Dust-shrouded monster is a snapshot from the early universe
Scientists have spotted a massive galaxy from the early universe shrouded in dust. It turned up in a small survey by the ALMA radio telescopes in Chile.
- Chemistry
Like Magneto? Microcrystals give magnets superpower over living cells
New iron-rich protein crystals could help researchers better understand the nerve cells that control movement and sensation. All they need are magnets.
- Brain
As teens gain weight, they find high-fat foods less pleasurable
Teens who gained excess weight showed less activity in the brain’s reward center when viewing or tasting foods with lots of fat.
- Environment
Scientists Say: Nutrient
Nutrients provide living things, from bacteria to animals, with the energy and materials to grow. But too much of a nutrient can sometimes cause harm.
- Animals
Drones help scientists weigh whales at sea
Drone imagery lets scientists estimate a whale’s weight. And that may help monitor the health of these big mammals for conservation purposes.
