A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Hot water can freeze faster than cold water.
181
Balsa wood is classified as a hard wood!
41
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The bark of an older redwood tree is fireproof.
65