At Shiru Cafe in Providence, R.I., students "pay" for coffee, but not with money. Chaiel Schaffel/Rhode Island Public Radio hide caption
Food
The edges of this sycamore leaf are turned upward into a cuplike shape, the typical sign of exposure to dicamba. Dan Charles/NPR hide caption
More kids are eating at fast-food chains like McDonald's, according to a new study, but parents are buying the healthier side options only about half the time. Miguel Candela/SOPA Images/LightRocket via Getty Images hide caption
Brian Wansink demonstrates his "bottomless bowl of soup" — used to show that people eat more when served in a bowl secretly replenished from the inside — after he was awarded a 2007 Ig Nobel Prize in 2007 at Harvard University. Wansink made a name for himself producing pithy, palatable studies that connected people's eating habits with cues from their environment. Stan Honda/AFP/Getty Images hide caption
Cornell Food Researcher's Downfall Raises Larger Questions For Science
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Charlotte Gill, owner of Charlotte's Legendary Lobster Pound in Maine, says she believes that cannabis can calm crustaceans before they are tossed into boiling water. Justin Sullivan/Getty Images hide caption
An industrial farm affected by flooding from Hurricane Florence in Duplin County, N.C. Jo-Anne McArthur/We Animals hide caption
Thanks to ethylene, one bad apple spoils the lot. Arne Dedert/Getty Images hide caption
W. Kamau Bell Makes His First Trip To Africa For Bourdain's 'Parts Unknown'
A farmer in India piles millet in a field. Grains such as millet and sorghum pack a powerful nutritional punch, but they are overlooked for calorie-laden commodity crops such as wheat or maize. Sam Panthaky/AFP/Getty Images hide caption
Sampath, 63, planted these oil palm trees on his farm in Tamil Nadu, India, 12 years ago, but has yet to turn a profit. Sushmita Pathak/NPR hide caption
Forty percent of Segassia Vineyard's vines were damaged after wildfires raged through Napa Valley in 2017. Andrew Cates hide caption