★Octopuses have three hearts and blue blood.★A snail can sleep for three years straight.★The first computer mouse was made of wood.★Octopuses can taste with their arms.★Rats laugh when tickled.★Sea cucumbers breathe through their butts.★If you lift a kangaroo's tail off the ground it can't hop.★Ketchup was once sold as medicine in the 1830s.★So far, two diseases have successfully been eradicated: smallpox and rinderpest.★A hippo's sweat is pink.★A blue whale's heart is roughly the size of a small car.★Humans are the only animals that blush.★We have mapped more of Mars than of our own ocean floor.★Pigs can't look up at the sky without rolling over.★The longest recorded flight of a chicken lasted 13 seconds.★7% of American adults believe that chocolate milk comes from brown cows.★A group of ferrets is called a business.★Google processes more than 8.5 billion searches every single day.★The smell of rain has a name: petrichor.★Vincent van Gogh only sold one painting during his lifetime.
★Octopuses have three hearts and blue blood.★A snail can sleep for three years straight.★The first computer mouse was made of wood.★Octopuses can taste with their arms.★Rats laugh when tickled.★Sea cucumbers breathe through their butts.★If you lift a kangaroo's tail off the ground it can't hop.★Ketchup was once sold as medicine in the 1830s.★So far, two diseases have successfully been eradicated: smallpox and rinderpest.★A hippo's sweat is pink.★A blue whale's heart is roughly the size of a small car.★Humans are the only animals that blush.★We have mapped more of Mars than of our own ocean floor.★Pigs can't look up at the sky without rolling over.★The longest recorded flight of a chicken lasted 13 seconds.★7% of American adults believe that chocolate milk comes from brown cows.★A group of ferrets is called a business.★Google processes more than 8.5 billion searches every single day.★The smell of rain has a name: petrichor.★Vincent van Gogh only sold one painting during his lifetime.