that what you are, jon? jon: i m in that ballpark. jenna: pure steel. jon: all muscles. jenna: the average 200 pound person carries around two to six pound of bacteria. jon: hitchhikers. jenna: more than 10,000 species. turns out most of the bacteria helps us, natural functions and live in harmony with the human body. we thought it was worth pointing out. a big story on the front page of the wall street journal. if you think about six pounds of bacteria. jon: trying to figure out how they interact with the human game know. jenna: a broader research study. of all the big intense research we thought two to six pounds of bacteria everyone could carry on them is the big headline. jon: don t take antibiotics to try to lose weight, right? jenna: i guess not. jon: making new homes more energy efficient as california adopts the toughest standards in the country but going green could cost a lot of green up front. supporters say it will save you money in the long run though. we ll look at the