Top 5

A two-word phrase that names the thing you've been doing all week — copying AI output into emails without thinking. Once you see it, you can't unsee it.

Smith's great-uncle was a 'human calculator' — a job computers killed decades ago. He argues we're watching the same thing happen to the highest reaches of mathematical genius.

One mine in Australia opens every time a major war starts and closes when it ends. Tungsten demand is spiking right now.

The U.S. Treasury directly intervened to prop up the yen — something that almost never happens. The last comparable move was in 1998.

Researchers catalogued insects from forest floor to canopy in one small Amazon site. They estimate 40,000 species — most unknown to science. The planet is wilder than we think.