A recent study found high levels of multiple-antibiotic-resistant bacteria on Chinese pig farms. It's setting off new alarm bells about the heavy use of antibiotics in livestock. There's a high likelihood the bacteria could jump from pigs to humans.
For the Geo Quiz, we're looking for a place in lower Egypt where one man has visions of expanding a town to accommodate a crowded population. It's in the eastern part of the Nile Delta and is a rich and fertile area.
The recent deaths of 23 Indian schoolchildren was just the latest chapter in the country's long and troubled relationship with chemical pesticides. Host Carol Hills speaks about the problem with journalist Meera Subramanian.
The fertilizer ammonium nitrate is cheap, abundant, and highly detonable. It's a key ingredient in many IEDs. Recently, a team in New Mexico has come up with a way to make the fertilizer less explosive.
Ethanol has largely fizzled here in the US. But in Brazil, people have been driving their cars for years powered only by sugarcane ethanol. In recent years though, ethanol in Brazil has hit a speed bump.
Wadi D'uan, a valley in Yemen, is where the world's most sought-after honey can be found. Its hot and dry climate, along with short flowering season of local plants help produce the rich, aromatic honey.
Synthetic fertilizers contribute mightily to climate change. So now there's a growing push in India to return to the ancient practice of using human waste as fertilizer, but with modern sanitary safeguards.