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
Your brain is 80% water.
525
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Aluminum used to be more valuable than gold!
84
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118