Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Cold water weighs more than hot water.
93
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
In zero gravity, a candle's flame is round and blue.
16
Sound travels fifteen times faster through steel than through air.
134
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16