Out of all the senses, smell is most closely linked to memory.
146
Your brain is 80% water.
525
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
One ragweed plant can release as many as one billion grains of pollen!
51
Hot water can freeze faster than cold water.
181
German chemists made a replica of a trophy the size of one molecule.
68
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
