Scientists in Germany have developed a candy that doesn't cause cavities.
11
Sound travels about 4 times faster in water than in air.
408
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The smell of freshly cut grass is actually a plant distress call.
31
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The storage capacity of human brain exceeds 4 Terrabytes.
140
