Balsa wood is classified as a hard wood!
41
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Out of all the senses, smell is most closely linked to memory.
146
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One ragweed plant can release as many as one billion grains of pollen!
51
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114