Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The bark of an older redwood tree is fireproof.
65
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Sound at the right vibration can bore holes through a solid object.
134
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Sound travels about 4 times faster in water than in air.
408