★Vincent van Gogh only sold one painting during his lifetime.★Crows can recognize human faces and hold grudges for years.★A blue whale's tongue can weigh as much as an elephant.★Nintendo was founded in 1889 as a playing card company.★A group of owls is called a parliament.★Polar bears have black skin under their white fur.★Butterflies taste with their feet.★The smell of freshly cut grass is actually a plant distress signal.★The longest hiccuping spree lasted 68 years.★Rats laugh when tickled.★You can hear a blue whale's heartbeat from more than two miles away.★A jiffy is an actual unit of time: 1/100th of a second.★Pigeons can recognize themselves in a mirror.★It is physically impossible to hum while holding your nose.★Octopuses can taste with their arms.★The microwave oven was invented by accident when a researcher noticed a chocolate bar melted in his pocket.★The shortest commercial flight in the world lasts just 57 seconds.★Hippos can't actually swim, they walk along the riverbed.★A bolt of lightning is five times hotter than the surface of the sun.★A group of frogs is called an army.
★Vincent van Gogh only sold one painting during his lifetime.★Crows can recognize human faces and hold grudges for years.★A blue whale's tongue can weigh as much as an elephant.★Nintendo was founded in 1889 as a playing card company.★A group of owls is called a parliament.★Polar bears have black skin under their white fur.★Butterflies taste with their feet.★The smell of freshly cut grass is actually a plant distress signal.★The longest hiccuping spree lasted 68 years.★Rats laugh when tickled.★You can hear a blue whale's heartbeat from more than two miles away.★A jiffy is an actual unit of time: 1/100th of a second.★Pigeons can recognize themselves in a mirror.★It is physically impossible to hum while holding your nose.★Octopuses can taste with their arms.★The microwave oven was invented by accident when a researcher noticed a chocolate bar melted in his pocket.★The shortest commercial flight in the world lasts just 57 seconds.★Hippos can't actually swim, they walk along the riverbed.★A bolt of lightning is five times hotter than the surface of the sun.★A group of frogs is called an army.