Some butterflies' ears are on their wings.

Only female bees sting.
The Earth is slightly pear-shaped.
Honey is the only food that never spoils.
Tomatoes are the most popular fruit.
Human thighbones are stronger than concrete.
Gorillas don't drink water. They get all the water they need from the plants they eat.
One million seconds is 11 days, 13 hours, 16 minutes, and 40 seconds.
“Hippopotamus” comes from two Greek words that mean “river horse.”
At the speed of a 747 jumbo jet, it would take 17 years to reach the sun from the Earth.
Hair grows almost everywhere on your skin except your lips, the palms of your hands, and the soles of your feet.
A tiger's stripes are different on the left and right sides of its body.
If you heat a diamond to 1,405 degrees Fahrenheit (763 degrees Celsius), it will turn into vapor.
Stretched out, your digestive system is nearly 30 feet (9 meters) long.
You lose up to 100 hairs a day.
If you run in the rain, you will get 50 percent wetter than if you stood still.
Mount Everest is about 27 times taller than the Eiffel Tower.
“Moose” is an Algonquian Indian word that means “eater of twigs.”
Crocodiles have been around for about 200 million years.
Monkeys can go bald in old age, just like humans can.
Styrofoam cannot be recycled.
Being chased or falling off a high place are the two most common dreams.
Some cars can run on used French-fry oil.
One of every six U.S. trucks is a garbage truck.
A hotel in Las Vegas, Nevada, has a two-story-tall chocolate fountain
The heaviest Rice Krispies treat weighs 2,259.9 pounds (843.5 kilograms).
Kangaroos and emus cannot walk backwards.
20.3 percent of the Earth's land is the continent of Africa