Why It’s So Hard to Predict Where the Pandemic Is Headed Next

Human behavior has changed along with the virus and public health measures to contain it. For…

The Delta Variant Is Making Covid a Pandemic of the Young

Children and teens have been spared the worst of the pandemic, but without vaccines they’re sitting…

The Delta Variant Has Warped Our Risk Perception

Gone are the easy, thoughtless choices of hot vax summer. Making decisions that balance safety and…

The Dam Is Breaking on Vaccine Mandates

Hopes for a “normal” fall have been dashed by variants and low vaccine uptake. Businesses and…

These Bendy Chips Fit in Unusual Places

Researchers think these flexible semiconductors will be able to monitor your heartbeat or tell you whether…

GitHub’s Commercial AI Tool Was Built From Open Source Code

Copilot is pitched as a helpful aid to developers. But some programmers object to the blind…

The Lithium Mine Versus the Wildflower

The deposit could power 400,000 clean-energy car batteries. There’s just one roadblock: a rare, fragile species…

The Mayor of Reno Is Betting Big on the Blockchain

Hillary Schieve invests in cryptocurrencies herself, and she sees the technology as a way to improve…

Elon Musk Tweets—and Gives Crypto Markets Growing Pains

The Tesla and SpaceX billionaire has sent Dogecoin and Bitcoin on a roller coaster this month—and…

US Teens Can Get Their Covid Shot. What’s Next for Schools?

Kids as young as 12 are now authorized for Pfizer’s vaccine. That could make it easier…