Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!utgpu!water!watmath!clyde!rutgers!ukma!uunet!nuchat!sugar!peter From: peter@sugar.UUCP Newsgroups: sci.med,sci.bio Subject: Re: Dating age of humans Message-ID: <763@sugar.UUCP> Date: Wed, 16-Sep-87 05:22:14 EDT Article-I.D.: sugar.763 Posted: Wed Sep 16 05:22:14 1987 Date-Received: Sat, 19-Sep-87 07:46:07 EDT References: <26333@sun.uucp> <1960@kitty.UUCP> <3836@cit-vax.Caltech.Edu> <2001@kitty.UUCP> Organization: Sugar Land UNIX - Houston, TX Lines: 13 Keywords: Ageing Human Carbon Xref: utgpu sci.med:2816 sci.bio:597 In article <2001@kitty.UUCP>, larry@kitty.UUCP (Larry Lippman) writes: > In article <694@sugar.UUCP>, peter@sugar.UUCP (Peter da Silva) writes: > > Couln't you do some sort of radioisotope testing on tooth enamel, > > and at least get the age since dentition? > 1. Carbon-14 has a half-life of approximately 5,730 years... > 2. ... some migration of comtemporary C14 into the enamel,... Carbon-14 isn't the only radioisotope used in this sort of thing, is it? What about shorter-lived isotopes that (while not longevious enough for archeology) would decay fast enough to be useful here? -- -- Peter da Silva `-_-' ...!hoptoad!academ!uhnix1!sugar!peter -- 'U` ^^^^^^^^^^^^^^ Not seismo!soma (blush)