Technology
How the Physics of Nothing Underlies Everything
The key to understanding the origin and fate of the universe may be a more complete understanding of the vacuum.
How Scientists Are Cleaning Up Rivers Using Grasses and...
In the Delaware River and other waterways across the US, conservationists are restoring aquatic vegetation and beds of bivalves to...
Where Do High-Energy Cosmic Rays Come From? A Star’s Last...
Researchers compiled data from several telescopes to show that explosive stellar death can generate some of the fastest particles...
Satellites Keep the World’s Clocks on Time. What if They...
Standardized time is broadcast by satellite networks around the world, but their signals are vulnerable to interference—so the UK...
Humans Are Revisiting the Moon—and the Rules of Spacefaring
The US-led Artemis Accords attempt to update regulations for space exploration—but they raise questions about equity and resource...
This Giant Sprinkler System Can Protect Cities from Wildfires
Two Spanish towns have built a network of towers that douse surrounding trees with recycled water—stopping fire in its tracks.
Polio Is Back in the US and UK. Here’s How That Happened
For every person paralyzed, hundreds or thousands could be infected. It’s a setback for the long-overdue plan to eradicate the virus...
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Egg and Sperm Donors Could Be Required to Share Medical...
In much of the US, donors aren’t obliged to disclose potentially inheritable health conditions. A proposed law could change that.
At Some Colleges, the Fall of Roe Will Weaken Student Health...
As students return to school, many will find restricted campus access to abortion services and information—and perhaps reproductive...
These Trees Are Spreading North in Alaska. That’s Not Good
White spruce trees are expanding into the Arctic tundra with stunning speed, with potentially serious consequences both for the region...
