Time travel is one of the most fascinating ideas in science. The ability to go back, change events, or see the future sounds almost limitless. But the moment you actually think about it… things start ...

Groundwater is responsible for about half of the water people use globally. It's drying up. Hayes Kelman started noticing the family farm in western Kansas was slowly getting less water around the ...

Humans tried to solve it — and kept getting it wrong. Dogs didn’t hesitate, didn’t overthink, didn’t complicate it. They saw the answer immediately and acted on instinct. What took us time and effort… ...

The Wall Street titan Leon Black paid Jeffrey Epstein $170 million for what he said was tax and estate work. But his services went beyond that. Credit...Illustration by Anna Kliewer; source images by ...

After 30 months of fast-paced innovation in quantum algorithms, six research groups are hoping to hit paydirt. But there can be only one big winner—if there is a winner at all. I’m standing in front ...

However, people must first realize there’s a problem and understand how technology can solve it before AI can make a meaningful difference. When things click, it’s always a matter of consumer ...

When a startup struggles, founders usually assume the solution is obvious: more marketing, more hiring, or more capital. But in my experience advising founders, the real issue is usually something ...

Some readers may solve the problem procedurally: line up the two numbers, add the ones column, carry the one, and add the tens to get 43. Others might instead notice a creative shortcut: 29 + 14 is ...

When solving a puzzle, the answer could lie in your dreams. In a study of lucid dreamers, playing soundtracks linked with unsolved puzzles helped the sleepers solve the problems the next day, ...

When Iranians took to the streets to celebrate the death of Ayatollah Ali Khamenei on February 28, it was tempting to think that the hardest part of the current confrontation with Iran was over. Iran ...

In parts of the Middle East and North Africa, a patchwork of sanctions, payment failures, and licensing gaps pushes people into piracy networks. In the Middle East, piracy is illegal in countries with ...

In a dark room, in the middle of the night, a woman lies dreaming. Suddenly, her eyes beneath their lids dart crisply left-right, left-right. The eye signal means she knows she’s dreaming. Lucid ...