If the chemical sodium is dropped into water it will immediately and violently explode.
67
Research indicates that plants grow healthier when they are stroked.
173
Pumice is the only rock that floats on water.
14
The bark of an older redwood tree is fireproof.
65
Liquid TIDE laundry detergent glows under a blacklight.
96
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
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
Out of all the senses, smell is most closely linked to memory.
146