We live on a planet with over 1.8 million known species of life, and as much as we tout being an "information society," we are woefully behind in documenting those species. Enter the Encyclopedia of Life, an ambitious attempt to document online every known life form on our planet. What it boils down to is a massive mashup of data along the lines of Wikipedia combined with Google Maps combined with a biological equivalent of Ancestry.com. It's still in an embryonic stage, but definitely worth a look.