Do Repeat COVID Infections Increase the Risk of Severe Disease or Long COVID?
Many repeat infections are mild, but some studies suggest people who have been infected with COVID more than once are at a greater risk of severe disease or long COVID
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Why We're Suddenly Spotting Spy Balloons
Every question we have about the airborne objects that may or may not be spying on the U.S. -
Has Anyone Created a Black Hole on Earth?
A lab-made black hole is beyond current technology but could be possible one day -
Do Trees Really Support Each Other through a Network of Fungi?
Trees communicate and cooperate through a fungal web, according to a widespread idea. But not everyone is convinced -
Quantum Entanglement Isn't All That Spooky After All
The way we teach quantum theory conveys a spookiness that isn’t actually there -
Could the Zombie Fungus in TV's The Last of Us Really Infect People?
The pandemic fungus in the television program The Last of Us is real. But an expert says other fungi are much more threatening to humans -
A Common Antibiotic Could Prevent Deaths from Childbirth Complications
One in three cases of maternal sepsis can be prevented with a single dose of antibiotic, a study in low- and middle-income countries shows -
New Exascale Supercomputer Can Do a Quintillion Calculations a Second
New “exascale” supercomputers will bring breakthroughs in science. But the technology also exists to study nuclear weapons -
Inside the Race to Find Earth's Oldest Ice
A global race is on to drill for the oldest known layers of Antarctic ice so researchers can peer back in time to a warmer climate to better understand the planet’s hotter future -
New COVID Antiviral Cuts Hospitalizations in Half
An injection of a type of interferon drastically reduced the risk of severe COVID in a late-stage trial -
Scientists Decipher 57 Letters That Mary, Queen of Scots Wrote before Her Beheading
In newly deciphered letters written from captivity in the late 1500s, deposed queen of Scotland Mary Stuart complained about her health and tried to negotiate her release -
This Change Could Reduce Police Brutality against Black Drivers like Tyre Nichols
Cops—no matter their own race—are more confrontational toward Black drivers. Social psychologist Nicholas Camp describes ways to reduce police antagonism -
COVID Rebound Can Happen Even without Paxlovid
Concerns about Paxlovid rebound are preventing some doctors from prescribing the lifesaving drug and some high-risk patients from taking it -
Black Inventor Garrett Morgan Saved Countless Lives with Gas Mask and Improved Traffic Lights
In 1916 he strapped on his “safety hood” and dragged rescuers to safety, but racism prevented him from being hailed as a hero -
How Scientists Are Using AI to Talk to Animals
Portable sensors and artificial intelligence are helping researchers decode animal communication—and begin to talk back to nonhumans -
Why the Earthquake in Turkey Was So Damaging and Deadly
A magnitude 7.8 earthquake that struck Turkey is a rare occurrence and underscores the importance of setting and enforcing building codes -
Scientists Try to Get Serious about Studying UFOs. Good Luck with That
New dedicated observatories and crowdsourced smartphone apps will study strange sightings in the sky. But questionable data quality and a lack of shared research standards remain key challenges -
Chinese Spy Balloon Has Unexpected Maneuverability
An expert explains why it’s so odd that the suspected Chinese spy balloon can change course -
Mystery Portrait May Be a Raphael, Artificial Intelligence Suggests
A mysterious portrait of the Virgin Mary and Jesus may have been painted by the master Raphael, facial recognition finds. But many art historians reject the claim -
'Unbelievable' Spinning Particles Probe Nature's Most Mysterious Force
The strong force holds our atoms together. Scientists may have observed its small-scale fluctuations for the first time
