A Melon for Dieters and Diabetics

By Janet Raloff, 15:57 PM April 15, 2008

Mention watermelon and people immediately think of sweet, juicy, crimson-colored fruit. But watermelons didn't start that way, notes Angela R. Davis of the U.S. Agricultural Research Service. Wild watermelons in their native Africa are white fleshed, the size of softballs, and "hard like softballs," she notes. Bitter and anything but sweet, watermelons hardly started as dessert.

On the other hand, U.S. domesticated watermelons are so sweet that they tend to be off-limits to most of the nation...

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