★Goldfish can recognize human faces.★Most 'silver' spoons are actually made of stainless steel.★A group of ferrets is called a business.★A bolt of lightning is five times hotter than the surface of the sun.★Ketchup was once sold as medicine in the 1830s.★Octopuses can taste with their arms.★The Great Wall of China is not visible from space with the naked eye.★Antarctica is the only continent without native reptiles or snakes.★Cotton candy was co-invented by a dentist.★A snail can sleep for three years straight.★Bananas are berries, but strawberries are not.★There are more stars in the universe than grains of sand on every beach on Earth.★A lion's roar can be heard from up to 5 miles away.★The human brain uses about 20% of the body's total energy.★So far, two diseases have successfully been eradicated: smallpox and rinderpest.★If you lift a kangaroo's tail off the ground it can't hop.★We have mapped more of Mars than of our own ocean floor.★Hot water freezes faster than cold water. This is called the Mpemba effect.★Pineapples take about two years to grow.★The Hawaiian alphabet has only 13 letters.
★Goldfish can recognize human faces.★Most 'silver' spoons are actually made of stainless steel.★A group of ferrets is called a business.★A bolt of lightning is five times hotter than the surface of the sun.★Ketchup was once sold as medicine in the 1830s.★Octopuses can taste with their arms.★The Great Wall of China is not visible from space with the naked eye.★Antarctica is the only continent without native reptiles or snakes.★Cotton candy was co-invented by a dentist.★A snail can sleep for three years straight.★Bananas are berries, but strawberries are not.★There are more stars in the universe than grains of sand on every beach on Earth.★A lion's roar can be heard from up to 5 miles away.★The human brain uses about 20% of the body's total energy.★So far, two diseases have successfully been eradicated: smallpox and rinderpest.★If you lift a kangaroo's tail off the ground it can't hop.★We have mapped more of Mars than of our own ocean floor.★Hot water freezes faster than cold water. This is called the Mpemba effect.★Pineapples take about two years to grow.★The Hawaiian alphabet has only 13 letters.