Kēia wikiō pīhoihoi mai ke Kulanui o Calgary, i paʻi ʻia ma ke ʻano he ʻatikala ʻepekema i nānā hou ʻia, e hōʻike ana i ka liʻiliʻi o ka mercury e hiki ai ke luku i nā pūnana nerve e ulu ana, e waiho ana i ke ʻano neurofibrillary tangles o ka maʻi ʻo Alzheimer.

E nānā i ka mana pōkole ma YouTube.