We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEvidence for life on Earth more than 3850 million years ago.AuthorsHolland HDPublicationScience (New York, N.Y.), 1997, Vol 275, Issue 5296, p38ISSN0036-8075Publication typearticleDOI10.1126/science.275.5296.38