Nearly 50% of the world's scientists are assigned to military projects.
71
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The left ear is more responsive to words of love and emotion whispered into it than the right.
40