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Put your visual short-term memory to the test with this rapid-fire pattern recognition exercise. It's the only time using a cheat sheet is explicitly encouraged by educators.
★Dolphins have names for each other.★The moon has moonquakes.★Humans are the only animals that blush.★A crocodile can't stick its tongue out.★A blue whale's tongue can weigh as much as an elephant.★Octopuses can taste with their arms.★A bolt of lightning is five times hotter than the surface of the sun.★Sloths can hold their breath longer than dolphins can.★A shrimp's heart is located in its head.★The longest recorded flight of a chicken lasted 13 seconds.★Your tongue print is as unique as your fingerprint.★Ancient Egyptians slept on stone pillows.★Starfish can regenerate their lost limbs.★A group of pandas is called an embarrassment.★A newborn panda is smaller than a mouse.★The average person spends six months of their life waiting for red lights to turn green.★A 'moment' was medieval unit of time equal to 90 seconds.★Elephants are the only mammals that can't jump.★The human brain uses about 20% of the body's total energy.★Scotland's national animal is the unicorn.
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