Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
1k
It takes about 63,000 trees to make the newsprint for the average Sunday edition of The New York Times.
-11
Stilts were invented by French shepherds who needed a way to get around in wet marshes.
45
Only humans shed emotional tears.
331
Passengers on the Beijing subway can pay with plastic bottles.
29
A sneeze travels out your mouth at over 100 m.p.h.!
29
Sunflowers can be used to clean up radioactive waste.
17

