It's still possible to see the division between East and West Germany due to different light bulbs.
5
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
153
20 years ago, there were only 130 websites, Google wasn't around, and you had to pay for an email account through an ISP.
12
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
21
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
When the Egyptians destroyed Libya in the 13th century B.C. they took 13,230 penises of the conquered enemies as trophies.
220