2004 Science and Engineering Visualization Challenge results. A tick, a bat, microplankton, Mount Etna, and a map of Florida unrelated to hurricanes or elections. more inside

quantonics.com is a large, thorough site devoted to a subject that is either absurd and schiz more inside

V.S. Ramachandran's Illusions uncover how your brain makes sense of motion. more inside

Do Monkeys prefer chicken or tuna? After (mis-)identifying some of these sandwiches, one might want to stick with ))'s.

Escher Web Sketch [java applet] Explore the seventeen symmetry possibilities in two-dimensional space - or just move the mouse around - to create grandma's wallpaper groovy repeating patterns.