"Nobody has a clear cut answer, but there's a strong sense that attitude impacts physiology, " he said.

CNN: Optimistic women may have lower risk of heart disease

Despite this, they were frequently welcomed and usually given help by ordinary Africans, an attitude towards strangers that remains strong to this day.

ECONOMIST: African exploration

Perhaps it was her personal struggles that made Rivera known not only for her music but for her strong, resilient attitude when faced with adversity.

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And hip-hop music videos celebrate the "Thug Life" and "gansta" attitude for any young black person seeking strong racial identity.

NPR: Redefining What It Means to Be Black in America

"This new research adds even greater weight to the argument that we all need to take a cradle to grave attitude to better bone health if we are to keep our skeletons strong into our later years, " she said.

BBC: NEWS | Health | Complex cause for brittle bones

But if the politicians and regulators do not take a more relaxed attitude to restructuring, European media firms will have little chance of growing strong enough to compete successfully with the big American companies.

ECONOMIST: European Media: Flirtation and frustration | The

Former FCC Chairman Michael Powell was a strong supporter of Internet telephony and presided over a number of rulings that kept a hands-off attitude.

FORBES: Cost Of Net Phone Calls May Rise