Check this out:
http://www.dailymail.co.uk/sciencete...en-planet.html
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Check this out:
http://www.dailymail.co.uk/sciencete...en-planet.html
I read about this a few days ago. Here's some more info.
http://www.realclearscience.com/arti...fe_106599.html
It's cool to be able to see one up close like that. I wonder if studying them will help scientists come up with cures regarding retroviruses, etc.