62. A Cockroach will live nine days without its
head, before it starves to death.
63. A chimpanzee can learn to recognize itself in a mirror, but monkeys can't
64. A rat can last longer without water than a camel can
65. About 10% of the world's population is left-handed
66. Dolphins sleep with one eye open
67. Snakes have no external ears. Therefore, they do not hear the music of a "snake charmer". Instead, they are probably responding to the movements of the
snake charmer and the flute. However, sound waves may travel through bones in their heads to the middle ear.
68. Many spiders have eight eyes.
69. The tongue of snakes has no taste buds. Instead, the tongue is used to bring smells and tastes into the mouth. Smells and tastes are then detected in two
pits, called "Jacobson's organs", on the roof of their mouths. Receptors in the pits then transmit smell and taste information to the brain.
70. Birds don't sweat
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