Iron weighs more after it rusts.
16
No matter how cold it gets, gasoline will not freeze.
107
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
Out of all the senses, smell is most closely linked to memory.
146
Nearly 50% of the world's scientists are assigned to military projects.
71
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Most dust particles in your house are made from dead skin!
67