Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Cold water weighs more than hot water.
93
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Out of all the senses, smell is most closely linked to memory.
146
One ragweed plant can release as many as one billion grains of pollen!
51
The bark of an older redwood tree is fireproof.
65