puppers , 2 months ago to random #puppers #images #bark #photos #dogs #doggo #woof #pupper
#puppers #images #bark #photos #dogs #doggo #woof #pupper
mythologyandhistory , 2 months ago to random Did you know that the oldest known #dhesive was also chewing gum? #Birch tar is in its simplest form, burned birch #bark. It forms a sticky black pitch that can be used as glue. Evidence for #human (& #Neanderthal) use has been dated to 200k or the Old #Stone Age. Birch tar is also a disinfectant & it has been found as a chewing gum in various locations in Europe. One birch gum piece from 5700 yrs ago, contained a complete human #genome of a woman. #history #paleolithic
Did you know that the oldest known #dhesive was also chewing gum?
#Birch tar is in its simplest form, burned birch #bark. It forms a sticky black pitch that can be used as glue.
Evidence for #human (& #Neanderthal) use has been dated to 200k or the Old #Stone Age.
Birch tar is also a disinfectant & it has been found as a chewing gum in various locations in Europe.
One birch gum piece from 5700 yrs ago, contained a complete human #genome of a woman.
#history #paleolithic