The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Research indicates that plants grow healthier when they are stroked.
173
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Your brain is 80% water.
525
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57