In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
In zero gravity, a candle's flame is round and blue.
16
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
The bark of an older redwood tree is fireproof.
65
The storage capacity of human brain exceeds 4 Terrabytes.
140
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21