10 pioneer-era apple types thought extinct found in US West

A team of retirees that scours the remote ravines and windswept plains of the Pacific Northwest for long-forgotten pioneer orchards has rediscovered 10 apple varieties that were believed to be extinct—the largest number ...

Can sweet potatoes save the world?

Some foods are known as seasonal wonders, making an appearance only once or twice a year when families gather for holiday feasts. Cranberry sauce, pecan pie, eggnog. Sweet potatoes, typically with tiny marshmallows roasted ...

Scientists rearrange 'chaotic' citrus family tree

Oranges, grapefruit, lemons and limes are all hybrids, mixed and matched from 10 "wild" citrus species descended from a single Asian ancestor some eight million years ago, scientists said Wednesday.

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