Biofuel policy needs rethink, says UN expert

The UN special rapporteur on the right to food urged the EU for a rethink on biofuels Friday, saying huge errors had been committed in the initial enthusiasm for an alternative to harmful fossil fuels.

Instant evolution in whiteflies: Just add bacteria

In just six years, bacteria in the genus Rickettsia spread through a population of the sweet potato whitefly (Bemisia tabaci), an invasive pest of global importance. Infected insects lay more eggs, develop faster and are ...

Sweet Potato Protection is More Than Skin Deep

(PhysOrg.com) -- Sweet potatoes are a seasonal staple that earn U.S. producers some $370 million every year. Now Agricultural Research Service (ARS) scientists have found traits in sweet potatoes that someday may make the ...

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