You'll know the best background for your presentation, but whatever you want to change it to, we're here to help you do it. Here's how to change the background in Powerpoint to a few different styles.

The work here reviewed is eclectic in its methods : it envisages the story of science through history, and, moreover, a history which takes account, as all histories should, of human development ...

NOVA revolves around a simple premise: the world of science is exciting! For NOVA viewers, science means adventure and exploration--because from ants to aliens, this weekly documentary series ...