Robert Aronowitz on Risky Medicine

EconTalk | 9 November 2015 | 1h 10m | Listen Later  | iTunes
Should women get routine mammograms? Should men get regular PSA exams? Interview with Robert Aronowitz, author of Risky Medicine, about the increasing focus on risk reduction rather than health itself as a goal. Discusses the social and political forces that push us toward more preventive testing even when those tests have not been shown to be effective. A provocative look at the opportunity cost of risk-reduction.

Everything You Know About Sleep is Wrong with Dr Matthew Walker

The Science of Success | 4 January 2018 | 1h 06m | Listen Later  | iTunes
Interview with Matthew Walker about the ideas in Why We Sleep: Unlocking the Power of Sleep and Dreams. Examines the findings from hundreds of studies across millions of people and pulls out the major findings about how vitally important sleep is, the global sleep loss epidemic, the stunning data about sleep and productivity, the simplest and most effective evidence-based strategies for getting better sleep.

Echolocation

In Our Time | 21 June 2018 | 0h 51m | Listen Later  | iTunes
Melvyn Bragg and guests discuss how some bats, dolphins and other animals emit sounds at high frequencies to explore their environments, rather than sight. Bats that echolocate have a range of frequencies for different purposes and techniques for preventing themselves from becoming deafened by their own sounds. Some prey have evolved ways of detecting when bats are emitting high frequencies in their direction, and some fish have adapted to detect the sounds dolphins use to find them.

Matt Ridley on Climate Change

EconTalk | 29 June 2015 | 1h 08m | Listen Later  | iTunes
Interview on climate change with science writer and author Matt Ridley, who describes himself as a “lukewarmer.” While Ridley agrees that humans have made the climate warmer, he argues that the impact is small or positive over some temperature ranges and regions. He rejects the catastrophic scenarios that some say are sufficiently likely to justify dramatic policy responses, and he reflects on the challenges of staking out an unpopular position on a contentious policy issue.