26Mammoth Bone Huts
In 1965, a Ukrainian farmer dug up the lower jawbone of a mammoth. Further excavations revealed the presence of 4 huts made up of a total of 149 mammoth bones. These 'Mammoth Bone Huts' dating back some 15,000 years were determined to have been some of the oldest shelters ever built by humans.
27. Seagrass can convert 20 times more carbon per acre than land forests.
28. The Crusaders planned to finance the Fourth Crusade by stopping first in Constantinople, to assist in a coup. When they were not fairly compensated by the new Byzantine Emperor, they seized control of the city and surrounding territory, establishing the short-lived Latin Empire (1204-1261).
29. When crowds get as dense as 6 or 7 people per square meter, they begin taking on the characteristics of fluids. This can lead to “crowd crushes,” where waves propagate through the group and push people into tight spaces, crushing them to death.
30. Pregnancy physically changes a woman’s brain structure. Grey matter volume is decreased in certain areas, giving mothers a higher capacity for empathy to help better understand their baby.
