Technology
In an Odd Twist, Cleaner Air in China May Mean a Warmer...
Coal plant upgrades led to a dramatic reduction in sulfur dioxide emissions. But those particles also help reflect solar heat away...
The West’s Infernos Are Melting Our Sense of How Fire Works
42,000-foot plumes of ash. 143-mph firenadoes. 1,500-degree heat. These wildfires are a new kind of hell on earth, and scientists...
Fish Form Social Networks—and They're Actually Good
New models of coral reefs show how fish species communicate with one another. The findings may well help save these threatened ecosystems.
During Covid, Eating Disorder Patients Turn to Apps
Anorexia, bulimia, and binge eating patients are facing novel challenges as in-person care is on hold. Can tech tools fill in the...
Could the National HIV Strategy Help Guide the Covid Fight?
The Trump administration hasn't created a comprehensive plan for battling the pandemic. Some researchers propose borrowing one from...
A School Ran a Simulation of the Pandemic—Before the Pandemic
A Florida middle school has staged mock outbreaks for years to teach science and civics. Last December’s lesson was an uncanny harbinger...
Scientists May Have Found a Material for Building on Mars
Using simple chemistry, the organic polymer chitin can be transformed into a viable substance for creating tools and habitats on the...
Is Dark Matter Just Black Holes Made During the Big Bang?
Stephen Hawking once proposed that unseen “primordial” black holes might be the hidden dark matter. A series of new studies shows...
Some Cities Are Plotting a ‘Green Recovery’ After Covid-19
Cities like Los Angeles, Seattle, and New Orleans are aiming to tackle another, longer-term emergency: the climate crisis.
Here's How You Can 'See' Molecules—on a Whole 'Nother Planet
Scientists picked up signs of phosphene on Venus by using a technique called rotational spectroscopy. It works like this.

