Nearly 50% of the world's scientists are assigned to military projects.
71
The smell of freshly cut grass is actually a plant distress call.
31
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Out of all the senses, smell is most closely linked to memory.
146
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9