Nuke test radiation can fight poachers who kill elephants, rhinos, hippos
Monday, July 1, 2013 - 15:00
in Biology & Nature
Researchers have developed a new weapon to fight poachers who kill elephants, hippos, rhinos and other wildlife. By measuring radioactive carbon-14 deposited in tusks and teeth by open-air nuclear bomb tests, the method reveals the year an animal died, and thus whether the ivory was taken illegally.