"These studies show that RSV is a 'hit and hide' virus, rather like HIV or some hepatitis viruses, " said Professor Peter Openshaw of Imperial College and one of those involved in the study.

BBC: RSV infects most babies within their first year of life

Rather than build them one by one, Apple is more likely to focus on AirPlay or some equivalent way to interface with all these devices.

FORBES: What's Going to Be Apple's First New Product After TV?

One in 5 U.S. senators is 70 or older, and some have retired rather than seek new terms, such as Hawaii's Daniel Akaka, who left office in January at age 88.

NPR: Pope Shows Lifetime Jobs Aren't Always For Life