News
- Humans
Forget discrete droplets. This is how sweat really forms
The most-detailed look yet at how we perspire reveals that beads of sweat are out, puddling is in.
- Science & Society
Screen addiction affects teens’ mental health. How to spot it, and help
Banning screens is often not an option. So Science News spoke with experts studying screen use and addiction in teens to help families navigate this complex issue.
By Sujata Gupta - Health & Medicine
U.S. measles outbreaks may end a hard-won victory over the virus
Dropping vaccination rates and changes in U.S. vaccine policy have public health experts concerned that annual measles outbreaks could become more frequent.
- Astronomy
Betelgeuse’s companion star revealed in new images
Revealed by advanced imaging, the long-sought "Betelbuddy" is much smaller and fainter than Betelgeuse and orbits within the supergiant’s atmosphere.
- Life
This killer fungus strikes at sunset. Here’s how
The fungus Entomophthora muscae turns flies into zombies and kills them at sunset. An internal kill clock may explain the mysterious timing.
By Meghan Rosen - Health & Medicine
Here’s how air pollution may trigger lung cancer
Exposure to air pollution may trigger DNA mutations that cause lung cancer in nonsmokers.
By Meghan Rosen - Health & Medicine
U.S. FDA may nix black box warning on some menopause estrogen treatments
Experts worry the warning on vaginal estrogen menopause treatments is doing more harm than good and is not supported by science.
- Humans
A child’s biological sex may not always be a random 50-50 chance
Some people’s biology may set them up to birth babies of a certain sex, explaining why a family with multiple children may have all girls or all boys.
By Jake Buehler - Climate
What to know about the extreme U.S. flooding — and ways to stay safe
An oceanographer explains how climate change, warming oceans and a souped-up atmosphere are creating conditions for deadly floods.
- Animals
Some penguins save energy by riding ocean currents
When navigating home, Magellanic penguins alternate between heading straight back in calm waters and swimming with the flow in strong ocean currents.
- Animals
A dog’s taste for TV may depend on its temperament
Anxious dogs might react nervously to some television sounds, a survey of dog owners reports, while hyper ones might try to play chase.
- Animals
A newly discovered cell helps pythons poop out the bones of their prey
The cells helps the snakes absorb the bones of their prey — and might show up in other animals that chomp their meals whole.