The force of a suction cup is calculated using F=AP.
15
Out of all the senses, smell is most closely linked to memory.
146
Your brain is 80% water.
525
A cesium atom in an atomic clock beats over nine billion times a second.
43
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Sound travels about 4 times faster in water than in air.
408