This is the hilarious moment a mother bear teaches her cubs a valuable life lesson on how to scratch that itch that you just can not reach. https://filedn.eu/lhVNGNsizwl5t7THnzzJ2c8/Newest%20public/Newsflash-BearTreeScratch-01.mp4 The clip, recorded on a capture camera in Sikhote-Alin Nature Reserve in eastern Russia, shows the mum approaching the tree and giving…