Technology

Meet the Microbes Living on Da Vinci’s Iconic Sketches

Think you’ve got an interesting microbiome? Your body ain’t got nothing on what’s accumulated on Leonardo’s drawings over 500 years.

A New Study About Color Tries to Decode ‘The Brain’s Pantone’

How do humans perceive color? An NIH experiment finds a way to measure what happens after light hits the eye—using brain scans.

This Squishy 3D-Printed Human Heart Feels Like the Real...

A clever technique allows scientists to scan a heart and reconstruct it in a soup of gelatin. It's like making jello, only way more...

The Last, ‘Ultra-Cold’ Mile for Covid-19 Vaccines

Two vaccines are nearly here—but their unusual storage requirements could deprive the rural areas that need them most. A tech fix...

Physicists Pin Down the Nuclear Reaction After the Big...

The newly measured rate of a key nuclear fusion process that forged the first atomic nuclei matches the picture of the universe 380,000...

Climate Change Is Intensifying the Tsunami Threat in Alaska

As glaciers retreat and permafrost thaws, massive landslides threaten coastal communities. Those, in turn, could trigger giant sea...

Pfizer Seeks Approval, the CDC Urges Restraint, and More...

Catch up on the most important updates from this week.

A Solar-Powered Rocket Might Be Our Interstellar Ticket

The idea for solar thermal propulsion has been around for decades, but researchers tapped by NASA just conducted a first test.

Iowa’s Covid Wave and the Limits of Personal Responsibility

Until Monday, the governor urged Iowans to “do the right thing” but kept businesses open and masks optional. Now cases are surging...

The Physics of Materials at Minus 80 Degrees Celsius

Pfizer's new vaccine has to be stored at extremely low temperatures. Here's how things work when it gets that cold.