Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Pure water (H2O) does not conduct electricity on its own.
46
The sun is 330,330 times larger than the earth.
75
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Sound travels about 4 times faster in water than in air.
408
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Brass doorknobs automatically disinfect themselves in about 8 hours.
18