Current BiologyVolume 5, Issue 3, March 1995, Page 332Loose endLoose endAuthor links open overlay panelSydney BrennerShow moreShareCitehttps://doi.org/10.1016/S0960-9822(95)00063-7Get rights and contentUnder an Elsevier user licenseopen archivePrevious article in issueNext article in issueRecommended articlesCited by (0)Copyright © 1995 Elsevier Science Ltd. All rights reserved.