FACTS: We’re all about strange facts, interesting bits of trivia and just weird stuff to know.

Pigeons have been trained by the U.S. Coast Guard to spot people lost at sea.

Clouds can be very heavy, with some weighing over a million pounds.

Tulip bulbs were once a form of currency in Holland, during the 17th century.

Ketchup was once sold as medicine. In the 1830s, a physician named Dr. John Cooke Bennett believed that ketchup had medicinal properties, and marketed it for indigestion and diarrhea in the form of tomato pills.

From the BBC Science Focus, giraffes are 30 times more likely to get hit by lightning than people. (Wonder what that makes their chances for winning the lottery?) There were only five fatal lightning strikes on giraffes from 1996 to 2010, but their population was just 140,000 during that time. The math comes out to be about 30 times more likely than humans to be struck.

There’s no such thing as zero-calorie foods. Even low-calorie foods like celery and watercress contain more energy than the body needs to process them.

Most people stroke cats the wrong way. Research shows cats tolerate being petted for food and attention. The safest spots to pet a cat are under the chin, on their cheeks and at the base of their ears. Researchers claim cats don’t like being petted on their belly or scratched at the base of their tail.

All the world’s bacteria stacked on top of each other would stretch for 10 billion light-years. 

Wearing a tie can reduce blood flow to the brain by 7.5 percent, which can make you feel dizzy, nauseous and cause headaches. If they are too tight, they can cause pressure in your eyes. Oh, and they carry lots of germs too.