Population

Easter Island: Mysteries of a Lost World, TV review: Archaeologist

When most of us think of Easter Island, or Rapa Nui, we think of moai, the 887 magnificent statues that guard its shores. But the mystery of BBC4's Easter Island: Mysteries of a Lost World wasn't how these monoliths were made, or how they were moved into place (aliens, obviously) or even whether the ancient Rapa Nui people were responsible for their own decline, it's why the myths have persisted for so long.

Protesters lock horns with China over ivory as campaigners look into

Gone are the days when a “Save the Rhino” advert was enough. Only about 25,000 rhinos are left in the wild, and thanks to poaching the species is critically endangered. Now, in an effort to drive down demand, conservationists are working on campaigns to understand what makes rhino horn consumers tick.

More headlines