★Dolphins sleep with one eye open.★Ancient Egyptians slept on stone pillows.★Humans blink about 15 to 20 times per minute.★Elephants are the only mammals that can't jump.★The average person walks the equivalent of three times around the world in a lifetime.★Saturn would float if you could find an ocean big enough.★The Eiffel Tower can grow up to 6 inches taller during summer.★Hot water freezes faster than cold water. This is called the Mpemba effect.★Bubble wrap was originally invented as wallpaper.★The smell of rain has a name: petrichor.★The average person spends six months of their life waiting for red lights to turn green.★Hippos can't actually swim, they walk along the riverbed.★The fear of long words is ironically called hippopotomonstrosesquippedaliophobia.★The first computer mouse was made of wood.★In Switzerland it is illegal to own just one guinea pig.★Cows have regional accents, they moo differently in different areas.★A group of jellyfish is called a smack.★Barbie's full name is Barbara Millicent Roberts.★The Mona Lisa has no eyebrows or eyelashes.★The first oranges weren't orange, they were green.
★Dolphins sleep with one eye open.★Ancient Egyptians slept on stone pillows.★Humans blink about 15 to 20 times per minute.★Elephants are the only mammals that can't jump.★The average person walks the equivalent of three times around the world in a lifetime.★Saturn would float if you could find an ocean big enough.★The Eiffel Tower can grow up to 6 inches taller during summer.★Hot water freezes faster than cold water. This is called the Mpemba effect.★Bubble wrap was originally invented as wallpaper.★The smell of rain has a name: petrichor.★The average person spends six months of their life waiting for red lights to turn green.★Hippos can't actually swim, they walk along the riverbed.★The fear of long words is ironically called hippopotomonstrosesquippedaliophobia.★The first computer mouse was made of wood.★In Switzerland it is illegal to own just one guinea pig.★Cows have regional accents, they moo differently in different areas.★A group of jellyfish is called a smack.★Barbie's full name is Barbara Millicent Roberts.★The Mona Lisa has no eyebrows or eyelashes.★The first oranges weren't orange, they were green.