News
- Earth
To understand how ‘night-shining’ clouds form, scientists made one themselves
A rocket, a bathtub’s worth of water and a high-altitude explosion reveal how water vapor cools the air to form shiny ice-crystal clouds.
- Astronomy
Andromeda’s and the Milky Way’s black holes will collide. Here’s how it may play out
Supermassive black holes in the Milky Way and Andromeda will engulf each other less than 17 million years after the galaxies merge, simulations show.
- Health & Medicine
COVID-19 has exacerbated a troubling U.S. health trend: premature deaths
The pandemic played into already rising death rates from obesity, drugs, alcohol and suicide.
- Health & Medicine
Most pro athletes who got COVID-19 didn’t develop heart inflammation
Few professional athletes developed heart inflammation after a bout of COVID-19, but how the findings relate to the general public isn’t clear.
- Neuroscience
Catnip repels insects. Scientists may have finally found out how
The plant deters mosquitoes and fruit flies by triggering a chemical receptor that, in other animals, senses pain and itch.
- Animals
Female green tree frogs have noise-canceling lungs that help them hear mates
When inflated, female green tree frog lungs resonate in a way that reduces sensitivity to the sounds of other species.
- Health & Medicine
People who have had COVID-19 might need only one shot of a coronavirus vaccine
Antibody levels in health care workers who had COVID-19 and got vaccinated were more than 500 times higher than those vaccinated but never infected.
- Materials Science
This soft robot withstands crushing pressures at the ocean’s greatest depths
An autonomous robot that mimics the adaptations of deep-sea snailfish to extreme conditions was successfully tested at the bottom of the ocean.
- Environment
‘Green’ burials are slowly gaining ground among environmentalists
Researchers asked older environmental activists what they planned to do with their bodies after death. Many were unaware of “green” burial options.
- Paleontology
Predatory octopuses were drilling into clamshells at least 75 million years ago
Holes found in ancient clams reveal that octopuses have been drilling into their prey for at least 25 million years longer than was previously known.
- Archaeology
An ancient dog fossil helps trace humans’ path into the Americas
Found in Alaska, the roughly 10,000-year-old bone bolsters the idea that early human settlers took a coastal rather than inland route.
- Health & Medicine
What you need to know about J&J’s newly authorized one-shot COVID-19 vaccine
Even as a third COVID-19 vaccine becomes available in the United States, questions remain over how well it works and if people will take it.
