Out of all the senses, smell is most closely linked to memory.
146
Hot water can freeze faster than cold water.
181
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
A 'jiffy' is an actual unit of time for 1/100th of a second!
66