The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Indoor pollution is 10 times more toxic than outdoor pollution.
62
German chemists made a replica of a trophy the size of one molecule.
68
Each day, up to 150 species of life become extinct.
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