Sound travels about 4 times faster in water than in air.
408
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The smell of freshly cut grass is actually a plant distress call.
31
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21