A new report summarizes what we know about the impacts of marijuana use, as more states have legalized the drug for both medical and recreational purposes.
July 26, 2000|
Were the Pacific islands of Polynesia colonized by people migrating from Taiwan or Melanesia? Su et al suggest in the July 18 Proceedings of the National Academy of Sciences that neither theory is correct, and that southeast Asia may have been the starting-off point (Proc. Natl. Acad. Sci. USA 2000, 97:8225-8228). They base their claims on haplotypes from the nonrecombining portion of the Y chromosome. Only one Polynesian haplotype is shared with the Taiwanese, whereas nine of ten Pacific island