The nation's largest group of nutritionists is urging the FDA to reject the dairy industry's petition to change the definition of milk. The petition aims to allow aspartame or other alternatives to be used to sweeten milk in an effort to boost consumption in schools.

Hipsters may just be discovering the joys of backyard chickens, but in African megacities, people have been bringing their animals into the slums with them for decades. That's creating a new ecosystem of animals and huge numbers of people living closely together like never before.

Architects have come up with spectacular concepts for vertical farms that would grow crops in city skyscrapers. But many horticulturists think the future of vertical farming isn't in skyscrapers but rather, in large, indoor warehouses lit up magenta by super-efficient LEDs.

Despite its name, the "pot pig" experiment isn't an attempt to develop a new meaty treat for stoners. Instead, a Seattle butcher is feeding marijuana seeds, stems and root bulbs to swine as a cheeky money-saving measure.

For this week's Sandwich Monday, we celebrate an expert panel's recommendations about salt intake by taking in as much salt as we can, with The Saltwich.

More and more gardeners are bypassing the local nursery and instead starting their veggies from seed. Seeds are often cheaper and they give growers a bigger choice of varieties. At a community garden in Venice, Calif., students learn the ins and outs of gardening from scratch.