MicrobiologyBytes

After mapping humans’ intricate social networks, Nicholas Christakis and colleague James Fowler began investigating how this information could better our lives. Now, he reveals his hot-off-the-press findings: These networks can be used to detect epidemics earlier than ever, from the spread of innovative ideas to risky behaviors to viruses (like H1N1).

Related:

• Web 2.0 and sexually transmitted infections
• Health Risk Behaviors on MySpace
• You’ve Got Mail

Traditional lab tests for disease diagnosis can be too expensive and cumbersome for the regions most in need. George Whitesides’ ingenious answer is a foolproof tool that can be manufactured at virtually zero cost, as shown in this video: