Typewriter, is one of the longest words that can be made using the letters on only one row of the keyboard. See more

After billions of years, black holes become white holes and they spit out all the things they sucked up. See more

Leather has enough nutritional value to sustain life for a short time. See more

Pigs can't sweat because they don't have sweat glands. See more

Lightning strikes about 6,000 times per minute on this planet. See more

Cats have over one hundred vocal sounds, dogs only have about ten. See more

It is impossible for a human to lick their elbow. See more

Crocodiles swallow stones to help them dive deeper. See more

The Nile catfish swim upside down. See more