Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The bark of an older redwood tree is fireproof.
65
Iron weighs more after it rusts.
68
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
Aluminum used to be more valuable than gold!
84