Some 45 trillion gallons of water are lost each year with all of the food that's thrown out around the world, according to a report from the World Resources Institute. This represents a staggering 24 percent of all water used for agriculture.
Audie Cornish talks to atmospheric science professor Kevin Knupp from the University of Alabama, Huntsville, about an unusual blob that hovered on the local weather radar for nine hours earlier this week.
Coastal fish farms are a major source of the seafood we eat, but all the fish waste they generate takes a toll on the environment. So a researcher in Canada is trying to clean up fish farms by creating an ecosystem where fish waste gets taken up by other valuable seafood commodities, like shellfish and kelp.
Temporary, strong emotions, when we're already feeling down, can significantly reduce our ability to perceive the fat in our food, researchers say. It's the latest finding to show how strong emotions can confuse our sense of taste.
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