Illegal dating

16-Jun-2016 15:45

Knowing the origins of the elephants can tell us a lot about how the business works.

C-14 was created in large quantities by nuclear weapons testing in the 1950s and ‘60s.

Thure Cerling from the University of Utah and colleagues from the US, UK and Kenya took 231 samples of ivory taken from 14 seizures (of a half-tonne or more) between 20 and, using radiocarbon dating, calculated the lag time between the animals' death and the date of confiscation.