new photo blog

i started this blog in 2006, and it's shifted along with my interests through the years. it's been witness to a lot of learning for me...

still, i feel that i need a home for my photography -- so from now on, i'll be posting my pictures on the journal on my reworked website. if you like my photos, you might decide to follow me there!

my first post is here -- check it out!

as for this blog, i'm not sure what will happen. i don't think i'm willing to let it go, and certainly i'll keep it as an archive, but i need some time to figure it out.

for those of you that pop in from time to time, thanks for the visits and encouragement.

Thursday, November 11, 2010

a shadow biosphere

on cosmos magazine:

'if life started more than once on earth, we could be virtually certain that the universe is teeming with it. unless there is something very peculiar about our planet, it is inconceivable that life would have begun twice on one earth-like planet but hardly ever on all the rest.

until recently, biologists assumed that all life on earth is of the same origin, with every organism that ever lived descended from a common genesis. but how do we know that is so? could there be two or more different sorts of life on this planet? has anybody actually looked?'

read on...

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