A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
According to studies, men change their minds two to three times more often than women.
72
Iron weighs more after it rusts.
16
The smell of freshly cut grass is actually a plant distress call.
31
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17