Meanwhile organic chemist martin saunders and his colleagues at yale university and geochemist robert poreda of the university of rochester were discovering a way to resolve this question 这时，美国耶鲁大学的有机化学家桑德兹与罗彻斯特大学的地球化学家波里达发现一个办法可以解决这个问题。
2.
" we are pretty confident , " said t . mark harrison , a ucla geochemist and co - author of one of the studies . " two studies conducted independently apparently have come to the same conclusion . "我们相当有把握, "研究之一的加州大学洛杉矶分校geochemist和合作研究者。 " t .马克harrison说。二项单独地指导的研究明显得到相同的结论.
