Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Scientists aren't sure what color dinosaurs were.
312
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
In zero gravity, a candle's flame is round and blue.
16