Picture of the day: Evolution

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What do you think about evolution? Do people love fighting with each other, do they really care about other species? Or are they just ignorant and stupid as hell?
I’m not sure I’m a human. Are we human?

 

Photo credit: I fucking love science

How does writing affect your brain?

source: http://memolition.com/2013/05/30/how-does-writing-affect-your-brain/