Ivory from a 16th century shipwreck reveals new details about African elephants

Dozens of tusks from a sunken Portuguese trading ship have now been analyzed

African elephant with trunk in air

In 1533, a Portuguese trading ship dubbed the Bom Jesus went missing. Today, its recovered ivory cargo is answering questions about African elephants (one pictured).

Nicholas Georgiadis

In 2008, miners off the coast of Namibia stumbled upon buried treasure: a sunken Portuguese ship known as the Bom Jesus, which went missing on its way to India in 1533.