Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in:
http://discovermagazine.com/galleries/2015/jan-feb/science-beautiful
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Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in:
http://discovermagazine.com/galleries/2015/jan-feb/science-beautiful
that's the one I used