The bark of an older redwood tree is fireproof.
65
The smell of freshly cut grass is actually a plant distress call.
31
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
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Iron weighs more after it rusts.
68
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
A 'jiffy' is an actual unit of time for 1/100th of a second!
66