Adam Sherwinski shows ciLiving host, Jaclyn Friedlander how to make a 3-layer float to test the density of each liquid In this fun and easy science experiment, we’ll show you how to make a three-layer ...

(Original Caption) Lana, a 21/2 year old chimpanzee, uses a typewriter like device to punch out sentences using symbols for words in an experiment April 27th at the Yerkes Regional Primate Center at ...