Balsa wood is classified as a hard wood!
41
Liquid TIDE laundry detergent glows under a blacklight.
96
Aluminum used to be more valuable than gold!
84
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Most dust particles in your house come from dead skin.
48
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Brass doorknobs automatically disinfect themselves in about 8 hours.
18