Out of all the senses, smell is most closely linked to memory.
146
Liquid TIDE laundry detergent glows under a blacklight.
96
One ragweed plant can release as many as one billion grains of pollen!
51
Iron weighs more after it rusts.
68
Most dust particles in your house are made from dead skin!
67
Sound at the right vibration can bore holes through a solid object.
134
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39