Ex-NASA Engineer Completely Fools Package Thieves With His Incredible Invention

The More You Know

• The oceans contain 200,000 different kinds of viruses.
• Researchers have found that swearing when in pain may release pain-killing endorphins.
• J.K. Rowling became the first person to become a billionaire by writing books. However, she also lost her billionaire status because she donated so much money to charity!
• Glaciers and ice sheets hold about 69 percent of the world's freshwater.