One barrel of petroleum holds 42 gallons.
20
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Pure water (H2O) does not conduct electricity on its own.
46
Out of all the senses, smell is most closely linked to memory.
146
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
