Sharks have been on the planet longer than trees.
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Drying your hands with paper towel will reduce the bacterial count by 45 - 60% on your hands. However, using a hand dryer will increase the bacteria on your hands by up to 255% because it blows out bacteria already living in the, conveniently, warm moist environment.
26
Pumice is the only rock that floats on water.
14
Nachos were actually invented by a guy named Nacho. Happy Nacho Day!
13
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Sunflowers can be used to clean up radioactive waste.
17
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16