One barrel of petroleum holds 42 gallons.
20
Out of all the senses, smell is most closely linked to memory.
146
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
One ragweed plant can release as many as one billion grains of pollen!
51
Billions of neutrinos pass unnoticed through your body every second.
6
Iron weighs more after it rusts.
68
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17