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Genetic Fruit Salad Sorts Apple Bellies from Pear Hips
by Cristen Conger | October 11, 2010
A UK obesity study (via BBC) has identified 13 genetic variations that influence whether silhouettes resemble bigger bellied apples or hip-heavy pears. Body fat distribution appears to be regulated by genetic factors we inherit, which helps explain why some people are more prone to obesity than others. The researchers were particularly interested in the biology [...]
How are hourglasses measured to be exactly one hour of sand?
by Marshall Brain | February 22, 2010
You Asked: How are hourglasses measured to be exactly one hour of sand? — Marko, Zagreb, Croatia Marshall Brain Answers: Before there were accurate clocks, people used hourglasses to measure the passing of time. Hourglasses were common on ships, for example, to measure time, and therefore distance traveled, for navigation. If you are trying to [...]
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