http://en.wikipedia.org/wiki/August_Ferdinand_Mobius http://www.encyclopedia.com/doc/1G2-3407500199.html_ Mobius Strip Video https://youtu.be/YfzusTl4Rek _ Mobius Bands / Mobius Strips (TANTON Mathematics) https://youtu.be/SCljAW5C-qY _ 6 …

TOKYO_SUNRISE-06:18 SUNSET-16:33 MOON-09.5 DAYS_ Indigenous peoples defend Earth’s biodiversity—but they’re in danger https://www.nationalgeographic.com/environment/2018/11/can-indigenous-land-stewardship-protect-biodiversity-/将棋の日, ド…