Farming on empty land in one of America's biggest cities used to be discouraged. But urban gardeners in Los Angeles spent years pressing local politicians to let them grow food in vacant lots, and now their efforts are bearing fruit. Mike O'Sullivan reports on the people planting food forests in the middle of the city.
One of the challenges to designing prosthetics, or exoskeletons for the disabled, is that everyone is different. Technology designed to help a person walk or get around doesn't work very well when it is built to be one-size-fits-all. But scientists at Carnegie Mellon University have figured out a quick, easy way to make each prosthetic different. VOA's Kevin Enochs reports.
An estimated 8-12 million Americans have a medical condition called Peripheral Artery Disease or PAD. The condition is caused by plaque buildup in the arteries and can be extremely painful. But some space age technology could provide relief. VOA's Kevin Enochs reports, and Faith Lapidus narrates.