In this Thursday, Oct. 1, 2015 photo, an elephant crosses a road in Hwange National Park, Zimbabwe, about 700 kilometres south west of Harare. Cancer is much less common in elephants than in humans, even though the big beasts' bodies have many more cells. That's a paradox known among scientists, and now researchers think they may have an explanation.

In this Thursday, Oct. 1, 2015 photo, an elephant crosses a road in Hwange National Park, Zimbabwe, about 700 kilometres south west of Harare. Cancer …

Published on October 22, 2015
In this Nov. 15, 2007 photo, Hugh Hefner smiles while signing copies of the Playboy calendar and Playboy Cover To Cover: The 50's DVD box set in Los Angeles.

In this Nov. 15, 2007 photo, Hugh Hefner smiles while signing copies of the Playboy calendar and Playboy Cover To Cover: The 50's DVD box …

Published on October 22, 2015