The heart used in the first pig-human transplant was infected with a pig virus. This reveals that using other species as organ donors may not provide a solution for organ shortages.
Chimpanzee female applying an insect to a wound on the face of an adult chimpanzee male
Tobias Deschner/Ozouga chimpanzee project
We studied 8,000 primate teeth and finally confirmed that humans are not the only living primate to suffer from cavities. But there are interesting differences.
Larry, a chimp formerly used in medical research, now resides at the Save the Chimps sanctuary which offers painting as an enrichment activity.
(Jo-Anne McArthur/We Animals Media)
Art such as the ‘Primal Expressions’ series created by chimpanzees continues to raise important questions about creative instincts in non-human animals.
New York Yankees closer Aroldis Chapman routinely tops 100 mph with his fastball.
Jim McIsaac/Getty Images Sport via Getty Images
To understand the barriers endangered species face when trying to traverse their habitat, it helps to think of their environment like an electrical circuit board.
A quirk of psychology that affects the way people learn from others may have helped unlock the complicated technologies and rituals that human culture hinges on.
Chimpanzees forced to interact with humans can develop stress and other health problems.
EPA