Saturday, November 24, 2007

Weekend Brain Teaser.

Two objects are falling to Earth.

One weighs 10 pounds, the other 20.

Which one falls faster? (disregard air resistance)

Ill post the answer after a while, if anyone tries of course.

Sunday, November 4, 2007



Science Daily (1 x) - An international team of researchers including an MIT graduate student demonstrated for the first time that genes exert influence on people's behavior in a common experimental economic game. Traditionally, social scientists had been quite hesitant to acknowledge a role for genes in explaining economic behavior. But a study by David Cesarini, a Ph.D. student in MIT's Department of Economics, and by colleagues in Sweden indicated that there was a genetic component to people's perception of what is fair and what is unfair.

The study looked at the ultimatum game, in which a proposer makes an offer to a responder on how to divide a sum of money. This offer is an ultimatum; if the responder rejects it, both parties receive nothing. Because rejections in the game entail a zero payoff for both parties, theories of narrow self-interest predict that any positive amount will be accepted by a responder. The intriguing finding in the laboratory is that responders routinely reject free money, presumably in order to punish proposers for offers perceived as unfair.

To study genetic influence in the game, Cesarini and colleagues took the unusual step of recruiting twins from the Swedish Twin Registry, and had them play the game under controlled circumstances. Because identical twins share the same genes but fraternal twins do not, the researchers were able to detect genetic influences by comparing the similarity with which identical and fraternal twins played the game.

The researchers' findings suggested that genetic influences account for as much as 40 percent of the variation in how people respond to unfair offers. In other words, identical twins were more likely to play with the same strategy than fraternal twins.

"Compared to common environmental influences such as upbringing, genetic influences appear to be a much more important source of variation in how people play the game," Cesarini said. "This raises the intriguing possibility that many of our preferences and personal economic choices are subject to substantial genetic influence," said lead author Bjorn Wallace of the Stockholm School of Economics, who conceived the study.

Hattip: Chris Brand's Blog

Saturday, November 3, 2007

Nice lil 'Magic-Eye"

Does she move Clockwise or Anti-Clockwise for you? Clockwise for me.

Supposedly, if its clockwise, you are more right brained, and anti-clockwise, left brained. Click the link for a short list of what is associated with each.

Nice little brain tweaker from The Herald Sun

Friday, November 2, 2007

Golden Oldie.

Here's an old video I came across from when "The Bell Curve" first came out.

Kudos to Murray to being brave enough to talk about such a taboo subject, but at the same time, sadly, I feel he was not completely candid. Race or no race.