In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Sound at the right vibration can bore holes through a solid object.
134
Iron weighs more after it rusts.
16
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The average temperature at 40,000 feet above sea level is -60 F.
56
Your brain is 80% water.
525
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101