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(1) We can control our dreams, sleep studies have shown that with practice, we can dream about specific things, solve problem, end recurring nightmares, or increase the chance of a lucid dreams just by practicing the right techniques. The higher's person I.Q. the more likely they are to be sleep deprived.
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(2) Aerogel, also know as '' frozen smoke '' is the world's lowest density solid, clocking in at 96% air. If you hold a small piece in your hand, it's practically impossible to either see or fell, but if you poke it, it's like styrofoam. it supports up to 4,000 times its own weight and can withstand a direct blast from two pounds of dynamite. it's also the best insulator in existence.
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(3) The chemical '' Thioacetone '' is the wold's smelliest substance. It's so bad that, after a lab technician dropped a vial of it, it induced instant vomiting from people in building almost 1/2 mile away.
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(4) The 3 lakes of mount kelimutu, Indonesia change color from blue to green to black or red unpredictably.
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(5) Elephants are excellent swimmers. They swim submerged underwater using their trunk as snorkels. African elephants have been recorded swimming 48 km. They can swim 6 hours nonstop then rest without sinking.
