Technology
Got Jet Lag? Consider Hacking Your Circadian Rhythm
Manipulating the master clock could help astronauts, pilots, shift workers, and even holiday travelers. The solution is simpler than...
What’s the Winter Solstice, Anyway?
Here’s what happens on the longest night of the year—in the solar system and across different cultures here on Earth.
Cosmologists Close in on Logical Laws for the Big Bang
Physicists are translating commonsense principles into strict mathematical constraints for how our universe must have behaved at the...
The US Mountain West Could Soon Face Snowless Winters
Parts of Colorado, Utah, California, and the Pacific Northwest could be without snow for years at a time in just a few decades.
The Biodiversity Crisis Needs Its Net Zero Moment
Climate change isn't the only major crisis facing the world. We're in the middle of a mass extinction, and missing all of our biodiversity...
The Great Danger of the Tiny Bark Beetle
As the climate warms, this insect’s population is booming. That’s bad news for the ponderosa pines of the Sierra Nevada.
Can Your Gravitational Pull Affect Your Game of Pool?
It’s hard enough to predict the outcome of ball collisions in a game of billiards. Do you also have to factor in a player’s effect...
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How Can People Harmed by Climate Change Be Compensated?
There is a growing movement to make the world's richest countries pay reparations to the global south for “loss and damage” caused...
The Race to Find ‘Green’ Helium
Helium is a critical—and finite—resource. The future of our most indispensable technologies depends on a new supply.
21 Things That Made the World a Better Place in 2021
From vaccinations to electric vehicles and cheese, the second year of the pandemic still had some high points.
