Among both Finns and French, people born with an apo E-2 gene have a four-fold greater likelihood of reaching 100 than those born with an apo E-4, the studies find.

WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live

What really shook up the world's neurologists, though, was the Duke team's finding that people born with two copies of the E-4 version of apo E developed Alzheimer's symptoms an average of 20 years earlier in life than those born with an E-2 version.

WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live

Then in 1971 Ray Tomlinson wrote a little program to send messages across the system and e-mail was born.

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Together these pioneers have created a set of self-reinforcing strategies and tactics that addressed some of the short comings of the first crop of e-commerce companies born before 2000 as well as the reality of the retail business itself.

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Both findings, Dr. Roses argues, suggest that people born with an E-4 gene suffer more from poor "housekeeping" than other people and thus are less able to stand the stress of brain injury, whether from an accident or a hemorrhage.

WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live

But 75% to 80% of people are born with at least one E-3 version of the protein, and more than half of people have two E-3's.

WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live

You can see that it can become unbalanced from either the side of what's going on in a person's life (i.e. the environment) or from the way a person was born in terms of personality (or more technically in terms of "temperament").

CNN: What can cause depression in a 12-year-old?

Among other things, Habibie spent the morning e-mailing his 36-year-old son Ilham Akbar, who was born in Germany, a message in fluent German, urging him not to worry about the day's events and to go to bed.

CNN: INTELLIGENCE

When Jack Ma , a Chinese-born Internet entrepreneur, came to Silicon Valley in 1999 to pitch his new venture--an e-commerce play dubbed Alibaba --investing in China was still a dubious proposition.

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