Sometimes Brushing Does More Harm Than Good We all know brushing your teeth is essential for a healthy smile, but […]

1. Green Potatoes Potatoes are a kitchen staple, but when they start turning green or sprouting, they produce solanine, a

Some Animals Live for Just Hours Not every creature is designed to last a lifetime. While giant tortoises can see

1. Chimpanzees Forced to Smoke Cigarettes There was a time when chimpanzees were trained to smoke in circuses and zoos.

1) Citywide Pneumatic-Tube Mail Back when cities dreamed big, underground tubes promised a future of lightning-fast letters. In New York,

1. Glass windows Every year, up to a billion birds in North America die from crashing into glass windows. Birds

1. Shoe-Fitting Fluoroscope Back then, shoe shopping felt like stepping into the future when stores rolled out fluoroscopes. Customers slipped