One reason why it’s so dangerous to drive while using a cell phone is that, according to psychologist Justin Halberda,”human beings are limited to paying attention to no more than three objects at any one time.” It’s the reason why we could never make sense out of watching sports, like the World Cup, if the players weren’t all wearing the same color uniforms.

Halberda says, “We report the rather surprising result that people can focus on more than three items at a time if those items share a common color. Our research suggests that the common color allows people to overcome the usual limit, because the ‘color coding’ enables them to perceive the separate individuals as a single set.”
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The old joke about how a woman can’t have sex because she has a headache has some truth to it: our brains continually wage war within themselves over which thought?or impulse?will “win” and get our full attention and action. Creative people who want to use their intuitive, unconscious minds often write or paint while listening to music or even watching TV. This keeps the logical part of the brain occupied so the more creative part can do the work.
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Half the people in the world have brains that are infected with Toxoplasma parasites. The eggs of this parasite live in the guts of cats until the parasites hatch and make their way up to the cat’s brain. Are they dangerous? They can be, but in very subtle ways.

Bill Christensen writes in LiveScience.com that at first scientists didn’t think these parasites were a problem, because when they intentionally infected rats with them, the rats seemed fine. But then they found that the brains of these infected rats were subtly different from those of ordinary rats.
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Drugs and music seem to go together naturally, but if you take Ecstasy while listening to loud music, you may get permanent brain damage. Is there a scientific way to predict which songs will be hits? Scientists have tried to find a method to do this for movies, now they want to find a scientific method that will help create hit songs. Will this work any better than their movie methods, which have so far left Hollywood cold?
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