CLONING, GENE THERAPY, AND THE COMING MEDICAL REVOLUTION

As he chats with the young mother, the doctor flicks a cotton swab into the mouth of her infant son, he inserts the sample into a machine, which extracs DNA from the mucus cells and compares it with the genetic material on a dime – size chip. Minutes later a computer printer begins to spit out a list of the infant’s genes. Fortunately, all but a few of the genes are labeled “normal”. It is those few that the doctor discusses as he explains the result to the mother. “You son’s genetic inheritance is generally good, “ he says, “but he is somewhat predisposed to skin lesions. So starting right away; he should be protected againts excessive exposure to the sun. “and the doctor warns, “he may well be susceptible to cardiovascular disease later in life. To lessen his risk, after about age two he should be lifelong low – fat, high – fiber diet.”

Jaroff, 1663, p.24) Read the rest of this entry »

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Does Virtual Aggression Lead To Actual Aggression

Bllod flows freely as still – warm corpses lie on the ground. Potential victims beg for mercy, while others moan in pain. Some people catch fire before they are mowed down, falling to the ground dead.

This is just some of the continual violence that characteries the game, trigger – happy players aet out the role of portal Dude, who shoots at everything and everyone in his path. Like doom, a favorite gam of one of the Columbine High School killers, Postal allows players their choice of a veriety of weapons of carnage. Read the rest of this entry »

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Bringing Sight To People With Blinders

Al first sight it looks like an off – center ponytail flopping at the joack of the head of a 62 year old man named jerry. But a closer look reveals that it is actually a bundle of wires entering jerry’s skull.

The purpose of the wires is to link a computer directly into Jerry’s brain. The computer responds to a tiny pinhole camera mounted on one lens of a pair of sunglasses Jerry is wearing, along with an ultrasonic rangefinder mounted on the other lens. The camera and rangfinder send minute electrical charges through 68 electrodes implanted in a small area of the surface of Jerry’s brain, allowing Jerry to perceive specks of light. Read the rest of this entry »

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