重新格式化以下段落，其中包含语法和拼写错误。
Ta lkas ab out his life whi ch was fullo f su rprises. H e ex plained how he was ofte n in volved in can ce r r esearc h and w as a fou nder of a koal a r esc ue g roup.
He talked about his life, which was full of surprises. He explained how he was often involved in cancer research and was a founder of a koala rescue group. 

重新格式化后，该段落将变为正确的英语语法和拼写。