Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Balsa wood is classified as a hard wood!
41
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Sound travels about 4 times faster in water than in air.
408
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88