Nearly 50% of the world's scientists are assigned to military projects.
71
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Sound at the right vibration can bore holes through a solid object.
134
The smell of freshly cut grass is actually a plant distress call.
31
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9