Uncategorized
- Earth
‘Biodegradable’ plastic bags often don’t break down
Biodegradable plastic bags are supposed to break down more quickly than ordinary plastics. But that may not happen, a study finds.
- Physics
Fireworks shower the skies with science
Filling the night sky with fireworks requires the help of chemists, electrical engineers and people who can choreograph theatrical shows.
- Climate
Holiday fireworks can bring extreme pollution, India finds
Fireworks bring sparkle and zing to a celebration, but they also can have a dark side — unhealthy levels of air pollution.
- Science & Society
The U.S. prison system can harm young brains, scientist warns
The U.S. justice system holds teens to adult standards. And that can harm a teen’s developing brain, one researcher now argues.
- Physics
Black holes might have a temperature
Physicists made a mock black hole in their lab. They used it to show the real, celestial black holes have a slight temperature.
- Earth
Trees may become the key to ‘greener’ foam products
Scientists have made an environmentally friendly alternative to plastic-based foams to help keep things cool.
- Chemistry
Scientists Say: Ferrofluid
Ferrofluids are liquids with tiny magnetic particles in them. These liquids respond to magnets.
- Life
Teens swipe a door handle and find an antibiotic
Three teens swabbed a smartphone, a door handle and a hand dryer. The new bacterium they turned up can kill other types of germs.
- Climate
Space weather forecast: Big storms ahead
Scientists studying blobs of energetic particles shot from the sun may help us prepare for stormy consequences on Earth.
- Animals
A million species could vanish, and people are to blame
Human activities are putting a million plant and animal species at risk of extinction, a new study finds. But it’s not too late to save many of them, scientists add.
- Climate
City living makes trees grow fast but die young
Many cities plant trees to absorb carbon dioxide. But city trees grow fast and die young, which means they absorb less carbon dioxide than forest trees do.
- Health & Medicine
Youthful rebellion leads some teens to eat better
Once 8th graders learned how food advertisements have been developed to influence them, many rebelled — and started eating healthier.
