Remember that RED RAIN that falled somewhere in India a couple of years ago ? read this, it is pretty interesting !


http://www.cnn.com/2006/TECH/science/06/02...rain/index.html

EDIT (here's another article on the subject) http://observer.guardian.co.uk/world/story...1723913,00.html

Since we already have a thread on this topic, I am going to close this one to avoid confusion...