97,000 People Got Convalescent Plasma. Who Knows If It Works?

97,000 People Got Convalescent Plasma. Who Knows If It Works?

As of Monday, August 17, a nationwide program to treat Covid-19 patients with a fluid made from the blood of people who’d recovered from the disease—so-called convalescent plasma—had reached 97,319 patients.That’s a huge number of people, considering that nobody really knows whether convalescent plasma actually works against Covid-19.A spontaneously generated, self-assembling group of clinicians and…

This Plane Flies Itself. We Went for a Ride

This Plane Flies Itself. We Went for a Ride

The conditions are not ideal for our landing. A hard wind is blowing over the low hills east of San Francisco, and at just the wrong angle—straight across the runway where we’re set to touch down. But as we ease into our final approach, our two-winged shadow clipping the suburban homes below, the veteran pilot…

Ever Seen Inside a Mummified Cat? Well Now You Have

Ever Seen Inside a Mummified Cat? Well Now You Have

Thousands of years ago in ancient Egypt, a cat, a bird, and a snake met ceremonious yet unfortunate ends. Sacrificed for the benefit of humans venturing into the afterlife, the animals were preserved and wrapped, forever logged into the historical record as mummies. And now, scientists are peering through their delicate bandages—the snake wrapped up…