radioactive carbon dating

“It’s been a few years, and they’re always progressing in the sampling and testing in the radioactive carbon dating and DNA, so we might be able to use less of a sample and DNA and get a definitive result.”

The radioactive carbon dating system, for which Dr. Willard Libby won a Nobel Prize in 1960, reaches back for only 50,000 to 60,000 years.

At his request, University of Michigan scientists had put the tusk fragments through their new radioactive carbon dating apparatus.