Scientists have identified the first reported case in Asia of primate-to-human transmission of simian foamy virus...

Even though this particular virus jumping to humans may not prove dangerous, the scientists warn that the dense human and primate populations in Asia could lead to other primate-borne viruses jumping the species barrier and causing human disease...

Human measles, for instance, can cause disease in monkeys and can even kill them. Other primate species have already seen significant population losses because of infection by human illnesses.

In their experiment, the Stirling researchers sat a group of stumptail macaques in front of video clips of other, yawning, macaques. Compared with a control group... the test group yawned more during and after the video...

The yawn tape also made the macaques scratch themselves more...