New genetic tool helps improve rice

U.S. Department of Agriculture (USDA) scientists have developed a new tool for improving the expression of desirable genes in rice in parts of the plant where the results will do the most good.

Mapping nutrient distributions over the Atlantic Ocean

Large-scale distributions of two important nutrient pools - dissolved organic nitrogen and dissolved organic phosphorus (DON and DOP) have been systematically mapped for the first time over the Atlantic Ocean in a study led ...

How do plants rest photosynthetic activity at night?

Photosynthesis, the process by which plants generate food, is a powerful piece of molecular machinery that needs sunlight to run. The proteins involved in photosynthesis need to be 'on' when they have the sunlight they need ...

Biophysicist works toward bio-inspired solar cell

Even the best human-engineered solar cell is essentially a clunky dial-up modem compared to the sleek high-speed efficiency of the humble leaf. After all, plants have had about a billion years to perfect the process of photosynthesis, ...

The ecology and economics of autumn leaves

Beyond pumpkin flavored everything, autumn is big business in some parts of the United States. And the main draw are the leaves themselves. In New England alone, tourists venturing to witness the change-in-color, a hobby ...

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