Nutrition | Science News



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progenitor cells

BYE BYE BUDS  Mice that became obese on a high-fat diet (right) lost a quarter of their taste buds (stained red) and also had fewer progenitor cells (stained green) — which give rise to new taste buds — than mice of a healthy weight on a regular diet (left).

table sugar

SWEET TOOTH  Sucrose, or table sugar, is made from a mixture of fructose and glucose. The body handles these two sugar molecules differently, but new research in mice suggests the small intestine helps the liver by taking the first crack at metabolizing fructose.

researchers measuring wheat

CROP FUTURES  Experiments using circles of white pipes blowing extra carbon dioxide over crops suggest that certain nutrients may dwindle in crops grown in a carbon-enhanced future atmosphere. Here, researchers in Arizona measure the growth of wheat.

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