RT @scienmag: Amazing starlings murmuration https://t.co/IjZVTcyumy - The Calculator Guide from Twitter

Amazing starlings murmuration http://pic.twitter.com/IjZVTcyumy

— Science (@scienmag) November 26, 2017

from Twitter https://twitter.com/GuideCalculator

November 27, 2017 at 08:21AM
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