There could be one hundred billion Earth-like planets in our galaxy, a US conference has heard. http://news.bbc.co.uk/2/hi/science/nature/7891132.stm
Isn't it always interesting that the scientists think the other "earth-like" planets could only harbor simple lifeforms. Sorta vain, I think. I mean they might actually harbor more advanced lifeforms than humans. Oh but we can't be thinking that can we?
