Other
Physics.org: A Gecko Wouldn't Fall Off the Ceiling
Physics phenomenons explained in common terms. A terrific way for non-scientists to understand van der Waal forces.
University of Arizona
University of Arizona: Bonds Tutorial
A tutorial on covalent bonds and intermolecular forces. A good summary weak forces, including Van der Waals forces and an excellent illustration showing the relative strengths of different forces and bonds.
CK-12 Foundation
Ck 12: Chemistry Simulation: Dripping Droplets
[Free Registration/Login Required] Explore intermolecular forces by seeing how many drops of a liquid a penny can hold.
Scientific American
Scientific American: How Geckos Get a Grip
This article, published by Scientific American (August 27, 2002), explores the latest findings on how geckos cling to surfaces. These findings seem to indicate that small hairs (or setae) in combination with water-based forces allow...
Scientific American
Scientific American: The Intricacies of a Gecko's Grip
This article, published by Scientific American (June 19, 2000), explores how geckos hang on vertical surfaces. They don't use glue, or suction, or even nature's version of Velcro. Instead, they utilize intermolecular forces "to get a...