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In the breakdown of results, the study authors from Group Health Research Institute and University of California, Davis note that the risk of developing leukemia was highest from head scans for kids under age 5 with a rate of 1.9 cases per 10,000 CT scans. Younger children and girls seemed more susceptible to solid…
REZA ASLAN, UNIVERSITY OF CALIFORNIA, RIVERSIDE: Well, I like Bill Maher. I have been on his show a bunch of times. He's a comedian. But, you know, frankly, when it comes to the topic of religion, he's not very sophisticated in the way that he thinks. I mean, the argument about the female genital mutilation being an…
Geoff Marcy, the University of California at Berkeley astronomer who has found scores of exoplanets, and who has diligently searched for signs of anything artificial in the data, says the silence is significant: “If our Milky Way Galaxy were teeming with thousands of advanced civilizations, as depicted in…
No man's model of reality is a purely personal product. While some of his images are based on firsthand observation, an increasing proportion of them today are based on messages beamed to us by the mass media and the people around us. Thus the degree of accuracy in his model to some extent reflects the general level…
[Kurt D.] Squire has studied middle school kids who played Civ3. He found that some students who were able to spend the hours needed to learn the game began to identify “rules” by which history progressed; rules that apply to such issues as resource allocation, the tradeoff between aggressive military expansion and…
When faced with complexity, our first response is to retreat to the familiar, even if the familiar means failing. But in addition to reverting to what is familiar, we also have another reaction: fear. We are hardwired to perceive real change as threatening, so we instinctively reject it. Sure, a few of us have the…
One of the more startling findings about early enrichment is the effect of music. You can hardly pick up a newspaper without seeing some kind of reference to how Mozart makes people smarter. The governor of Georgia recently proposed spending $105,000 of state money to provide every newborn baby with a compact disc of…
A stress-related decline in the sex ratio is no anomaly, but a biological mechanism that evolved to keep the species going, according to Ralph Catalano, professor of public health at the University of California, Berkeley. “From an evolutionary perspective, in stressful eras it’s a smarter bet to have a female child…
If we were hairless chimpanzees, our society would still Dok fairly familiar in some ways. We would live in families, be very social, hierarchical, group-territorial, and aggressive toward other groups than those we belong to. In other words, we would be family-based, urban, class-conscious, nationalist, and…