Warehouse clubs are typically designed to get you to shop more and spend more. The layout can be confusing; usually the groceries are at the back — behind all the fun big-ticket items like flat-screen ...

Electrifying ships. Testing new biofuels. Cleaning up ports. The quest to clean up the global shipping industry is accelerating.

Romans actually had public toilets—which is honestly impressive. But instead of toilet paper, they used a sponge attached to a stick, called a tersorium. The same sponge was shared by everyone. They ...