Moreover, most papers have tens or hundreds of millions of dollars sunk into aging physical plant what will never be changed given the economics of the media business right now.

FORBES: Name You Need to Know: Algorithmic Layouts

Over at the excellent British Psychological Society Digest, psychologist Christian Jarrett introduces us to a group of 12 elderly folks whose brains appear to be immune to the physical effects of aging.

FORBES: Meet the "SuperAgers": Elderly People Whose Brains Don't Age

If anything, the shortage will deepen, because the aging of physical therapists is dramatic.

FORBES: Demand for Therapy Jobs Critically High in 2012

For boomers, our parents may be showing signs of aging in ways beyond their physical appearance.

FORBES: Visiting Our Aging Parents for the Holidays: Something You Didn't Expect

That is roughly 40 million people who have lost physical and mental capacity through the natural aging process.

WSJ: Bionic Brains and Beyond

First, they inserted a fraud question into surveys that are conducted annually by the Rush Memory and Aging Project, which questions the elderly about the gamut of their health, neurological, physical and mental developments.

FORBES: Fraud Victims Foiled By Their Own Overconfidence

He said the shuttle trip -- during which he will be subjected to a battery of tests to determine the physical effects of space on a person of Glenn's age -- should help provide new insights into aging that could help people on Earth.

CNN: Glenn 'loved every minute' of space training