Radiocarbon Clues Help Track Down Poached Elephant Ivory

Seized elephant tusks are crushed with a steamroller during a ceremony at the Protected Areas and Wildlife Bureau of the Department of Environment and Natural Resources in Quezon City, northeast of Manila, Philippines, on June 21.
Seized elephant tusks are crushed with a steamroller during a ceremony at the Protected Areas and Wildlife Bureau of the Department of Environment and Natural Resources in Quezon City, northeast of Manila, Philippines, on June 21.