In zero gravity, a candle's flame is round and blue.
16
The average home creates more pollution than does the average car.
33
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Aluminum used to be more valuable than gold!
84
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Sound at the right vibration can bore holes through a solid object.
134