Uncategorized
- 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.
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Scientists Say: Naloxone
This drug can save people who have overdosed on opioids, such as fentanyl and oxycodone.
- Animals
Young aphids sacrifice themselves to make home repairs
Young aphids swollen with fatty substances save their colony by self-sacrifice. They use that goo to patch breaches in the wall of their tree home.
- Earth
Reliving the last day of the dinosaurs
The Chicxulub crater is helping reveal what happened on the day a 12-kilometer-wide asteroid slammed into the Gulf of Mexico, 66 million years ago.
- Earth
Explainer: Understanding geologic time
Geologic time is unimaginably long. Geologists puzzle it out using a calendar called the Geologic Time Scale.
- Animals
Tiger sharks feast when migratory birds fall out of the sky
Migrating land-based birds that fall from the sky as they cross the Gulf of Mexico can end up in the belly of a young tiger shark.
- Animals
This tiny dinosaur is officially T. rex’s cousin
A newly identified dinosaur species fills a gap in the tyrannosaur family tree.
- Earth
Dry sand can bubble like the blobs in a lava lamp
Put two types of sand grains together in a chamber and they can flow like fluids. All it takes is a jiggle and some gas.
- Physics
Scientists Say: Light pollution
Light pollution is when artificial light shines into places that are normally dark. It can disrupt the lives of plants, animals and people.
