Food For Thought : The Salt There's never been more interest in food and where it comes from and how it gets to your plate. This is the place for science, politics and the controversial topics that make you go "hmm."

Composting food scraps is one way to reduce food waste, but preventing excess food in the first place is better, says the EPA. paul mansfield photography/Getty Images hide caption

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paul mansfield photography/Getty Images

Hog farmers worry that they will pay a hefty price if there's a trade war with China. Red Cedicol/EyeEm/Getty Images hide caption

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Red Cedicol/EyeEm/Getty Images

U.S. Farmers Likely To Be Among Hardest Hit By Chinese Tariffs

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Caleb Torres, a senior at George Washington University, says he ran out of grocery money his freshmen year, so he began skipping meals. The Washington Post/The Washington Post/Getty Images hide caption

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The Washington Post/The Washington Post/Getty Images

Food, Housing Insecurity May Be Keeping College Students From Graduating

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For decades, Washington has had eight Atlantic salmon farms. After one was destroyed in an accident last summer, the state has decided to kick the rest of them out. Robert F. Bukaty/AP hide caption

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Robert F. Bukaty/AP

North Atlantic right whales are at risk of extinction because they often become ensnared in ropes used to guide lobster traps along the Northeastern U.S. and Canadian coastline. David L. Ryan/Boston Globe via Getty Images hide caption

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David L. Ryan/Boston Globe via Getty Images

The law would allow waitstaff tips to be shared with cooks and other back-of-the-house restaurant workers but prevents owners from getting a cut. Peter Muller/Getty Images hide caption

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Peter Muller/Getty Images

Carpenter Antonio Ambrosio Salvador makes Zega-Cola in Santa Ana Zegache, a small village near Oaxaca, Mexico. Zega-Cola was conceived as a locally made alternative to Coca-Cola, which is ubiquitous in Mexico. Nate Guerin hide caption

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Nate Guerin

Cameras and claws are the machine's version of human eyes and hands. Dan Charles/NPR hide caption

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Dan Charles/NPR

Robots Are Trying To Pick Strawberries. So Far, They're Not Very Good At It

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The idea was conceived as a way to highlight how current anti-immigration sentiment echoes slurs against Irish people who came to America after the potato famine in the 1840s. Dan Margulis hide caption

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Dan Margulis

Atara Bernstein and Ariel Pasternak founded Pineapple Collaborative to create a space where women in food could share ideas. Benjamin Herskovitz/courtesy Pineapple Collaborative hide caption

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Benjamin Herskovitz/courtesy Pineapple Collaborative

Gabriel Hernandez (left) and Jose Enrique are Puerto Rican chefs named as semifinalists for the best chef of the South category of the 2018 James Beard Awards. The recognition comes as the island's restaurants recover from Hurricane Maria. Daniella Cheslow/NPR; Astrid Stawiarz/Getty Images hide caption

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Daniella Cheslow/NPR; Astrid Stawiarz/Getty Images

Andrea Stanley of Valley Malt in Hadley, Mass., steeps small amounts of malt as part of the international Pink Boots Collaboration Brew Day, an event meant to highlight women's growing influence on the beer industry. Jesse Costa/WBUR hide caption

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Jesse Costa/WBUR

Drawn in by fresh eggs, or the possibility of feathered friends, people continue to flock toward backyard chickens. One researcher wonders if local laws are doing enough to keep people and birds safe. Emma Baker/Getty Images hide caption

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Emma Baker/Getty Images

A photo taken in Astoria, Ore., circa 1910. It was stated that the chinook on the left weighed 116 pounds and the one on the right weighed 121 pounds. WikiMedia Commons hide caption

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WikiMedia Commons