David Gerfast and his family are fighting cancer with an old-fashioned ship captain's bell and high-tech proton beam radiation.
You’ve almost certainly heard of the “green revolution,” the movement to increase agricultural production in developing countries. But what about the “brown revolution”?
According to proponents, this movement, which is taking hold from the western plains of the U.S. to the plains of Africa, can avert global catastrophe by changing the way we allow large animals to graze.
Also known as “holistic land management” the goal is to use large grazing animals to restore dried out grasslands, and improve water tables and combat global climate change.
The movement was founded by Allan Savory in Africa 40 years ago, and it’s now growing in the United States as well.
Peter O’Dowd follows the route of Abraham Lincoln's funeral train 150 years ago, to look at modern-day race relations and Lincoln's legacy.