At NOVA's Origins website, users can "journey back to the beginning of everything: the universe, Earth, and life itself." The web site offers a series of interactive modules where visitors can decide if life exists on...

This video lecture includes discussion of the physical properties of gases and demonstrates how air is liquefied. Liquefied gases are a key resource for survival with an amazing range of applications and there are now...

This is an interactive website exploring the history, people, and landscape of CERN, home of the world's largest particle accelerator. The site examines the scientific and cultural ideas that have emerged from the...

This Oxford University website offers new Macromedia Flash Player interactive tutorials to assist students with organic chemistry reactions. After a brief summary of nucleophilic substitutions and eliminations involving...

Wake Forest University’s Physics Laboratory has compiled a series of physics demonstrations on this website. The video clips include demonstrations of heat properties, motion, sound, energy, electricity, optics, nuclear...