cool and interestingScientific Brain Candy January 15, 2017 Axel http://nautil.us/issue/35/boundaries/why-nature-prefers-hexagons?utm_source=Nautilus&utm_campaign=32292d94a7-EMAIL_CAMPAIGN_2017_01_13&utm_medium=email&utm_term=0_dc96ec7a9d-32292d94a7-60723817 Related Published by Axel View all posts by Axel