The Knowledge Network - Chemistry Now. The National Science Foundation has joined forces with NBC Learn and the National Science Teachers Association (NSTA) to celebrate the International Year of Chemistry by creating "Chemistry Now" - a weekly, online, video series that uncovers and explains the science of common, physical objects in our world and the changes they undergo every day.
The series also looks at the lives and work of scientists on the frontiers of 21st century. One bond can make all the difference "Chemistry of Fear and Fright" explains how two hormones, adrenaline and cortisol, work to trigger a cascade of "fight or... This video uses common table salt to explain and illustrate what happens between the electrons and protons in...
This video tells the story of how the world's most used plastic was first formed and developed into the "miracle" material of... Instant screencasts: Just click record. Crackle - Watch Movies Online, Free TV Shows, & Original Online Series. Commons.