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Re: T Rex got bad rap * Mass-extinction controversy flares again * Most ancient DNA ever? * Meat-eating dinosaur's footprints found in Portugal

Roger Smith wrote (or rather, sent):
> **  Super-freezing tells age of lead artifacts
> Carbon-14's half-life is about 5,730 years, and by measuring carbon isotope
> ratios inside an artifact such as a dinosaur bone, scientists can roughly
> determine its age.

Yeah. Providing the dinosaur in question is no more than 35-40 thousand
years old.


Dann Pigdon                   Australian Dinosaurs:
GIS / Archaeologist         http://www.geocities.com/dannsdinosaurs
Melbourne, Australia        http://www.alphalink.com.au/~dannj/