A Negative COVID Test Has Never Been So Meaningless
A string of negatives can still presage a clear-as-day positive.
Science
Vaccines for the Littlest Kids Have Already Flopped
COVID vaccines for infants and toddlers are stalling and stumbling even before they’ve left the gate.
Biden’s Climate Goals Rest on a 71-Year-Old Defense Law
The Defense Production Act has become an important tool as the White House’s climate policy has stalled in Congress.
We Don’t Know Neptune at All
You know, the planet?
Don’t Wait to Get Your Kid Vaccinated
Kids are at risk of severe COVID outcomes—and immunity from infection isn’t enough.
What Are Ocean Predators Doing So Deep Underwater?
Whale sharks can dive more than a mile deep. Marine biologists are still trying to figure out why they bother.
We Should Have Seen Monkeypox Coming
Five years ago, monkeypox made a leap—and most of the world ignored it.
What Really Happens When Mercury Is in Retrograde
The first planet from the sun would like to be excluded from this narrative.
Rats Learned to Hide and Seek. Scientists Learned Way More.
To study something as freewheeling, spontaneous, and variable as play, researchers had to get creative.
An ER Doctor’s ‘Third Way’ Approach to the Gun Crisis
Why violence demands not just policy solutions, but public-health ones