The number of workers per Medicare beneficiary already has plummeted from 4.1 in 1970 to 3.2 in 2011 and is expected to nose-dive even further to 2.1 by 2080.

FORBES: U.S. Treasury to President Obama: Medicare's Current Policy 'Is Unsustainable'

When that happens markets will nose-dive.

FORBES: When Bad News Is Good News For Stocks

But with his own plane in a near-vertical, nose-down dive, the pilot and his crew had little time to think about the fate of the Chinese pilot.

CNN: 'We did it right'

It just leaves less left over, so if Cano's health or production takes a nose dive in his mid-to-late 30s, it may not be as easy for the Yankees to spend their way around it.

WSJ: The Yankees' Coming Conundrum

On another dismal day for U.S. equities, a combination of bad economic data and riots in debt-ridden Greece have sent markets on a nose dive, as they approach a seventh consecutive week of declines.

FORBES: Stocks Sell Off Amid Greek Riots