Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Pumice is the only rock that floats on water.
14
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199