Dan Charles

In Arkansas, there is a kind of David vs. Goliath battle underway over a weedkiller.

On one side, there is the giant Monsanto Company. On the other, a committee of 18 people, mostly farmers and small-business owners, that regulates the use of pesticides in the state. It has banned Monsanto's latest way of killing weeds during the growing season.

Terry Fuller is on that committee. He never intended to pick a fight with a billion-dollar company. "I didn't feel like I was leading the charge," he says. "I felt like I was just trying to do my duty."

The Trump administration is proposing a major shake-up in one of the country's most important "safety net" programs, the Supplemental Nutrition Assistance Program, formerly known as food stamps. Under the proposal, most SNAP recipients would lose much of their ability to choose the food they buy with their SNAP benefits.

The proposal is included in the Trump administration budget request for fiscal year 2019. It would require approval from Congress.

A tablespoon of soil contains billions of microscopic organisms. Life on Earth, especially the growing of food, depends on these microbes, but scientists don't even have names for most of them, much less a description.

That's changing, slowly, thanks to researchers like Noah Fierer, at the University of Colorado, Boulder. Fierer think microbes have lived in obscurity for too long. "They do a lot of important things for us, directly or indirectly, and I hope they get the respect they deserve," he says.

For more than a century, corn has been the most widely planted crop in the country and a symbol of small-town America. Think of the musical Oklahoma, where the corn is as tall as an elephant's eye, or the film Field of Dreams, in which old-time baseball players silently emerge from a field of corn.

Even farmers are partial to corn, says Brent Gloy, who grows some himself, on a farm in Nebraska. (He also graduated from the University of Nebraska. You know, the Cornhuskers.)

Wild bees, such as bumblebees, don't get as much love as honeybees, but they should. They play just as crucial a role in pollinating many fruits, vegetables and wildflowers, and compared to managed colonies of honeybees, they're in much greater jeopardy.

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