Good Crop, Bad CropOnce-lauded biofuels are now blamed for high food prices. But the next generation might yet work.
You Can Check Out Anytime You Like, but You Can Never LeaveAt least 17 detainees have been ordered released from Guantanamo but are stuck there.
Will Greener Planes Fly?Fuel-strapped airlines need a new approach, but technological fixes are hard to find.
Roads & Kingdoms
Egyptian Ruins A year after its destruction, Cairo’s Museum of Islamic Art remains a bombed-out shell.
Ringling Brothers Says It Will Stop Using Elephants in Its Circus Act After Years of Animal-Abuse Allegations
What We Like Right Now Our favorite picks for the week of March 2, curated by Slate writers and editors.
The Man Who Discovered Thiamin Today, we take vitamin B1 for granted. But it took a horrible, wasting disease—and lots and lots of chickens—for scientists to discover it.