published on: 2014-04-19 22:01:35
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Forget GPS: Medieval Compass Guided Vikings After Sunset
ciel62.tumblr.com/post/83254570238/
womenrockscience: Meet Mary Sherman Morgan, rocket scientist,
blktauna: glita: oh my god giant spoiled babies Amazing!
newyorker: The Daily Cartoon by Mick Stevens: http://nyr.kr/1i7OfCU