The discovery that scurvy, a debilitating illness caused by vitamin C deficiency, could be treated with citrus fruit ...

a lemon-orange hybrid that’s only available a few months of the year. What makes this variety different from regular lemons, and is it worth its expensive price tag? Here are the juicy details.

The product of so much natural crossing in the wild and selective breeding at research farms and in fields is every orange, lemon, lime, and grapefruit you’ve ever eaten. MONICA SERRANO ...