23 and 1/2 hours: What is the single best thing we can do for our health?

It's a Kickstarter project, a simple invention kit for beginners, experts, and everything inbetween. You can check it out at

A domino can knock over another domino about 50% larger than itself. A chain of dominos of increasing size makes

A group conformity experiment that relates to Solomon Asch's

This is a very cool interactive infographic! Copyright 2012. Magnifying the Universe by Number Sleuth.