Infopirate.org

Break a arm and it'll heal in 6 weeks, a leg in 8 weeks, any other bone and a Doctor can give you a date. Our bodies have an amazing ability to heal themselves naturally but for some reason when you visit the Optician you can end up wearing the same pair of glasses for the rest of your life. Weird huh?

Microorganisms make up more than a third of the Earth's biomass. They are found in water, on land and even in our bodies, recycling nutrients, influencing the planet's climate or causing diseases. Still, we know surprisingly little about the smallest beings that colonise Earth.