Wealthier People Live Longer

Wealthier People Live Longer

New government research has found “large and growing” disparities in life expectancy for richer and poorer Americans, paralleling the growth of income inequality in the last two decades.

Life expectancy for the nation as a whole has increased, the researchers said, but affluent people have experienced greater gains, and this, in turn, has caused a widening gap.

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Counter to Game Theory, Nice Guys Finish First

Counter to Game Theory, Nice Guys Finish First

Screaming sports coaches and cutthroat tycoons have it wrong: Nice guys do finish first, a new study suggests.

The Harvard University study involved 100 Boston-area college students playing the same game over and over – a punishment-heavy version of the classic one-on-one brinksmanship game of prisoner’s dilemma. The research appears in Thursday’s edition of the journal Nature.


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Fish Can Count, but Only Up to Four

Fish Can Count, but Only Up to Four

Fish have the limited ability to count directly up to four, say scientists.

Christian Agrillo, an experimental psychologist at the university of Padua in Italy, said that it was during a study on North American mosquito fish that their limited mathematical ability was observed.

The researcher said that the fish used its mathematical ability to count the number of other fish around it.
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