Pumice is the only rock that floats on water.
14
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Iron weighs more after it rusts.
16
One barrel of petroleum holds 42 gallons.
20
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
If the chemical sodium is dropped into water it will immediately and violently explode.
67
One ragweed plant can release as many as one billion grains of pollen!
51