Nearly 50% of the world's scientists are assigned to military projects.
71
The earth is approx. 6,588,000,000,000,000,000 tons.
175
One ragweed plant can release as many as one billion grains of pollen!
51
Iron weighs more after it rusts.
68
The smell of freshly cut grass is actually a plant distress call.
31
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20