★The microwave oven was invented by accident when a researcher noticed a chocolate bar melted in his pocket.★Ketchup was once sold as medicine in the 1830s.★If you lift a kangaroo's tail off the ground it can't hop.★The Eiffel Tower can grow up to 6 inches taller during summer.★A 'jiffy' is one trillionth of a second in physics.★Hippos can't actually swim, they walk along the riverbed.★Cashews grow on the outside of a fruit, not inside a shell.★A hummingbird's heart can beat up to 1,260 times per minute.★The Mona Lisa has no eyebrows or eyelashes.★Sloths can hold their breath longer than dolphins can.★Pteronophobia is the fear of being tickled by feathers.★The Great Wall of China is not visible from space with the naked eye.★Bubble wrap was originally invented as wallpaper.★The world's oldest known recipe is for beer.★Sharks existed on Earth before trees did.★A group of owls is called a parliament.★Dolphins have names for each other.★The oldest 'your mom' joke was discovered on a 3,500 year old Babylonian tablet.★Sea otters hold hands while sleeping so they don't drift apart.★A group of porcupines is called a prickle.
★The microwave oven was invented by accident when a researcher noticed a chocolate bar melted in his pocket.★Ketchup was once sold as medicine in the 1830s.★If you lift a kangaroo's tail off the ground it can't hop.★The Eiffel Tower can grow up to 6 inches taller during summer.★A 'jiffy' is one trillionth of a second in physics.★Hippos can't actually swim, they walk along the riverbed.★Cashews grow on the outside of a fruit, not inside a shell.★A hummingbird's heart can beat up to 1,260 times per minute.★The Mona Lisa has no eyebrows or eyelashes.★Sloths can hold their breath longer than dolphins can.★Pteronophobia is the fear of being tickled by feathers.★The Great Wall of China is not visible from space with the naked eye.★Bubble wrap was originally invented as wallpaper.★The world's oldest known recipe is for beer.★Sharks existed on Earth before trees did.★A group of owls is called a parliament.★Dolphins have names for each other.★The oldest 'your mom' joke was discovered on a 3,500 year old Babylonian tablet.★Sea otters hold hands while sleeping so they don't drift apart.★A group of porcupines is called a prickle.
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