How do we make sense of what we see?

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Copyright: M.C. Escher
Copyright: M.C. Escher

M.C. Escher’s ambiguous drawings transfix us: Are those black birds flying against a white sky or white birds soaring out of a black sky? Which side is up on those crazy staircases?


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All News summaries from Medicine & Health news
All News summaries for November 19, 2007

Athletes' 'sweat and tears' linked to asthma

3 hours ago | User rating: not rated yet
An athlete's ability to sweat may do more than keep the body cool. It also may prevent the development of exercise-induced asthma (EIA), a common respiratory condition among trained athletes. New research appearing in the ...

Common painkillers lower levels of prostate cancer biomarker

3 hours ago | User rating: not rated yet
Common painkillers like aspirin and ibuprofen appear to lower a man's PSA level, the blood biomarker widely used by physicians to help gauge whether a man is at risk of prostate cancer.

'Healthy' individuals may be at risk for heart disease

3 hours ago | User rating: not rated yet
In the face of a growing obesity epidemic in the United States, researchers at Wake Forest University Baptist Medical Center have new study results that indicate that how much fat a person has is not as important as where ...

Colon cancer patients not getting follow-up care

3 hours ago | User rating: not rated yet
(AP) -- Many colon cancer patients aren't getting the screenings recommended after surgery to make sure the disease hasn't returned, new research shows.

Liver disease plagues obese adolescents

Sep 07, 2008 | User rating: not rated yet
(AP) -- In a new and disturbing twist on the obesity epidemic, some overweight teenagers have severe liver damage caused by too much body fat, and a handful have needed liver transplants.
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