The bark of an older redwood tree is fireproof.
65
Aluminum used to be more valuable than gold!
84
One ragweed plant can release as many as one billion grains of pollen!
51
Balsa wood is classified as a hard wood!
41
Billions of neutrinos pass unnoticed through your body every second.
6
Most dust particles in your house are made from dead skin!
67
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
