One 75-watt bulb gives more light than three 25-watt bulbs.
57
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Liquid TIDE laundry detergent glows under a blacklight.
96
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38