Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Sound at the right vibration can bore holes through a solid object.
134
The smell of freshly cut grass is actually a plant distress call.
31
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Iron weighs more after it rusts.
68
Sound travels about 4 times faster in water than in air.
408