Why Biden Handed Climate Activists a Huge Victory
He still wants to look like the climate president.
Science
How One Tiny Insect Upended an Ecosystem
On a conservancy of Kenya, lions are struggling to hunt zebras. An invasive insect may be to blame.
‘If Exercise Could Cure This, I Would Have Been Cured So Quickly’
Striving for fitness is usually healing. But for most people with long COVID, it can be toxic.
Prepare for a ‘Gray Swan’ Climate
The next climate extremes are both predictable and unprecedented, and they’re coming on fast.
The Powerhouse of the Cell Is Also a Chatterbox
Mitochondria communicate across the body, potentially slowing down the aging process.
How Much Less to Worry About Long COVID Now
New cases seem to be less common nowadays, but that change is not as comforting as it sounds.
Military Emissions Are Too Big to Keep Ignoring
The world is finally talking about them.
Pets Really Can Be Like Human Family
And calling some pet owners the “parents” of their dogs or cats might be the best shorthand for these relationships.
A Surprising Success Story for Humpback Whales
Half a century after nearly being wiped out, the whales are back in an Antarctic bay.
America Is Having a Senior Moment on Vaccines
Many of the people most at risk of dying aren’t getting COVID shots.