In The Story of the Human Body, evolutionary biologist Daniel Lieberman explains how our bodies haven't adapted to modern conditions. The result is "mismatched diseases" — ailments that occur because our bodies weren't designed for the environments in which we now live.
It has been a deadly year for the people who fight wildfires. In total, 32 people have lost their lives fighting fires in 2013; the highest number in nearly 20 years. Around the country, as people move farther into wildland areas and climate change turns landscapes into tinder, experts say the wildfire danger will likely only grow.
A baby's scent triggers the reward circuits in women's brains, the same circuits that light up when an addict gets drugs or you eat a juicy cheeseburger, according to a study co-authored by University of Montreal researcher Johannes Frasnelli. He explains to host Rachel Martin why people want to nibble on their infants.
Shoppers are increasingly distracted by their smartphones at the checkout lines, and as a result they're less likely to make impulse purchases on items like candy or magazines. Writer Jon Nathanson tells host Rachel Martin that this change in habit is prompting retailers to come up with new ways to grab shopper's attention.
While watching TV, a neurosurgeon got the idea for a robot that would help minimize collateral damage during operations to remove tumors. Now he and colleagues at the University of Maryland are making progress on a wormy robot that could be ready for testing in humans in a few years.
The United Nation's Intergovernmental Panel on Climate Change releases its latest assessment today. This is the fifth since 1990. The reports project the rate of global warming, sea level rise and other expected effects that result largely from our use of fossil fuels, which puts billions of additional tons of carbon dioxide into the air every year.
Guitarist Les Paul is best known as the inventor of his namesake solid-body electric guitar, the Gibson Les Paul. But even as a teen, he was a tinkerer. Sue Baker of the Les Paul Foundation talks about some of his early innovations, such as a harmonica holder constructed from a coat hanger, and an electric guitar built with a railroad rail.