The only letter not appearing on the Periodic Table is the letter "J".
180
Iron weighs more after it rusts.
16
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Most dust particles in your house come from dead skin.
48
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5