Sound travels fifteen times faster through steel than through air.
134
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
19
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Balsa wood is classified as a hard wood!
41
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57