Humans
- Earth
Air pollution intensifies a teen’s feeling of stress
Living where the air is dirty may make tough situations even more stressful — especially for teens suffering from anxiety or depression.
- Science & Society
Studies test ways to slow the spread of fake news
Don’t share news online until you verify it. New studies explore who shares fake news, how to spot false stories and how to fact-check.
- Health & Medicine
Data show worrisome rise in youth vaping
Latest U.S. data show rates of vaping still on the rise among U.S. teens and middle-school students.
- Health & Medicine
Could Wednesday Addams really jolt a frog back to life?
A spark that recalls some science history brings a dead frog to life in The Addams Family. Scientists are now using electricity to build the body.
- Brain
The color of body fat might affect how trim people are
Brown fat burns calories to keep us warm. Researchers are searching for ways to boost it to help fight obesity and diabetes.
- Life
Medicine Nobel honors discovery of how cells deal with oxygen
Three researchers figured out the chemical processes by which cells not only sense, but also cope with, differing levels of oxygen. This could lead to new medicines.
- Health & Medicine
Scientists Say: Lymph
Lymph is a colorless fluid that bathes the body’s tissues and mops up bacteria, viruses and wastes.
- Psychology
Social media doesn’t, by itself, make teens unhappy or anxious
Checking social media frequently doesn’t necessarily cause unhappiness, a new study finds. Sleep, exercise and cyberbullying are also key.
- Health & Medicine
Ultrasound might become a new way to manage diabetes
Ultrasound turns on production of the hormone insulin in mice. Someday, it might help maintain healthy blood-sugar levels in people who were recently diagnosed with diabetes.
- Health & Medicine
Explainer: What is ultrasound?
These sound waves, which fall above the range of human hearing, are important in medicine, medical imaging and more.
- Animals
Cool Jobs: Poop investigators
Far from just being waste, poop is loaded with clues to the health, biology and behavior of whatever body produced it.
- Brain
Brain ‘ripples’ appear just before you remember something
Nerve cells in the brain’s hippocampus, a key memory center, fire together a second or two before people begin to recall an image, data now show.
