howstuffworks
stuff you missed in history class
john snow
germ theory
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game of thrones
talk radio
winter
masks
5
34:08
hbo
dragons
4
54:20
ned stark
the wall
the nights watch
2
1:03:50
broad street pump
jim leavesley
epidemiology
david john wallace
kristen kurland
spatial epidemiology
gis
shrinking washing
carbon dating
intelligence mitochondria
embryology
