Your dirty hands can harbor millions of germs, but simply washing your hands with regular soap—making sure you vigorously rub them together for 30 seconds—will slough enough microbes down the drain to cut that number to the tens of thousands.
In more macroscopic news ... I work on io9, a new science fiction blog from Gawker Media, and we did a post recently that might be of interest to your readers: It's a new installment of our "ask a biogeek" column, exploring the realities of terraforming and other large-scale biology and ecology developments. Here's the link: [ http://io9.com/394481/where-are-my-bioengineered-ecologies ]
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