Aluminum used to be more valuable than gold!
84
Liquid TIDE laundry detergent glows under a blacklight.
96
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
Sound travels about 4 times faster in water than in air.
408
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116