News
- Climate
Bering Sea winter ice shrank to its lowest level in 5,500 years in 2018
Peat cores that record five millennia of climate shifts in the Arctic region suggest recent ice loss is linked to rising carbon dioxide levels.
- Health & Medicine
Steroids reduce deaths of critically ill COVID-19 patients, WHO confirms
The finding strengthens evidence that clinicians should give the drugs to people who are severely sick from the coronavirus.
- Physics
Record-breaking gravitational waves reveal that midsize black holes do exist
The biggest merger of two black holes so far raises questions about how the pair of objects came to be.
- Animals
Flamboyant cuttlefish save their bright patterns for flirting, fighting and fleeing
A new field study of flamboyant cuttlefish shows they don’t always live up to their reputation.
- Archaeology
Stonehenge enhanced sounds like voices or music for people inside the monument
Scientists created a scale model one-twelfth the size of the ancient stone circle to study its acoustics.
- Health & Medicine
New coronavirus tests promise to be faster, cheaper and easier
Researchers are developing a smorgasbord of tests to detect RNA and proteins from the virus that causes COVID-19.
- Health & Medicine
How four summer camps in Maine prevented COVID-19 outbreaks
More than 1,000 kids and staff members from all over the country attended the camps, but only three people ended up testing positive for the virus.
- Earth
What’s behind August 2020’s extreme weather? Climate change and bad luck
On top of a pandemic, the United States is having an epic weather year — a combination of bad luck and a stage set by a warming climate.
- Planetary Science
Earth’s building blocks may have had far more water than previously thought
Space rocks and dust from the inner solar system could have delivered enough water to account for all the H2O in the planet’s mantle.
- Science & Society
Mandatory mail-in voting hurts neither Democratic nor Republican candidates
A new study suggests that requiring people to cast mail-in ballots actually leads to a slightly increased turnout for both political parties.
- Health & Medicine
In a first, a person’s immune system fought HIV — and won
Some rare people may purge most HIV from their bodies, leaving only broken copies of the virus or copies locked in molecular prisons, from which there is no escape.
- Earth
Carbon dioxide from Earth’s mantle may trigger some Italian earthquakes
In the central Apennines of Italy, spikes in natural carbon dioxide emissions line up with the biggest earthquakes.
