An idea derived from string theory suggests that dark matter is hidden in an as-yet-unseen extra dimension. Scientists are racing to test the theory to see if it holds up.
Getting these climate superheroes into more US homes would massively cut emissions, and it would be cost-effective. Here's how the revolution would play out.
Americans eat too much sugar. Food tech company Zya is developing a substance to add to sweet foods that can convert some of that sugar into fiber in the digestive system.
BetaVolt's nuclear battery lasts for decades, but you won't see one in your next iPhone—powering a mobile device would require a cell the size of a yak.
Governments, businesses, and even militaries pay experts to help them prepare for the worst. In a world lurching from disaster to disaster, they're doing so more often.
Extreme heat waves are already here, and they are killing tens of thousands of people. Blasting through 2 degrees Celsius of warming means they'll happen many times more frequently.
A 1970s plan to grow underwater limestone objects has been repurposed as a way of regenerating the seabed, reestablishing corals, and stopping coastal erosion.
Tech companies are famous for coddling their workers, but after mass layoffs the industry's culture has shifted. Engineers say that getting hired can require days of work on unpaid assignments.
