Iron weighs more after it rusts.
16
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
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
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
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
The smell of freshly cut grass is actually a plant distress call.
31