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Agriculture

Eating softer processed foods changed the position of humans' adult teeth, making it easier to say sounds like "f" and "v," new research suggests.

Charles Q. Choi, Contributor

The bright colors of a variety of citrus fruits, including lemons, limes and other tart fruits fill the foreground of the image. The background includes white lines of the DNA double helix.

Scientists identify two genes behind plant cell pumps that produce sourness -- and variation in flower color.

Charles Q. Choi, Contributor

The photo shows more than 15 lettuce plants growing atop two rows of boxes with black tops, green leaves spreading out from the center, as tubing curls between the boxes.

Scientists are trying to perfect a technique for growing crops in space so that astronauts have enough food to get to Mars and back.

Benjamin Plackett, Contributor

Changing weather and planting practices in recent decades have led to increased corn yields, but whether the findings will apply to other crops and regions remains unknown.

Gabriel Popkin, Contributor

Much of the world's farmland is already at risk from palmer amaranth. The threat could spread further north as the climate warms.

Nala Rogers, Staff Writer

Scientists are finding microbes that are good for crops but bad for weeds.

Nala Rogers, Staff Writer

The global demand for seaweed has never been higher, and American farmers are taking notice.

Annie Roth, Contributor

Scientists identified the key gene that helps certain rice varieties keep their heads above water.

Yuen Yiu, Staff Writer

Drones may spare groves from mass infestation.

Joel Shurkin, Contributor

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