Counter to everything Republicans say, building the Keystone XL could raise gas prices.

Please, parents, don’t buy your children trendy pets in imitation of popular book characters. In England, hundreds of Harry Potter-inspired pet owls are being dropped off at animal shelters after their owners realized that they’re expensive to care for and don’t actually carry mail.

A magnitude-6 earthquake in Italy may have damaged 300,000 ripening wheels of Parmesan cheese — 5 percent of Italy’s supply.

Engineers have figured out how to make super-strong carbon fibers from old plastic bags and carpets.

Grist thanks its sponsors. Become one.

American meals are four times as big now as they were in the 1950s.