Balsa wood is classified as a hard wood!
41
Sound at the right vibration can bore holes through a solid object.
134
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One ragweed plant can release as many as one billion grains of pollen!
51