![Nature Podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/030/798/small/nature-podcast.jpg)
Summary: 27 November: This week, energy-free air conditioning, the science of sex laid bare, and scientists who peer-review themselves.
Summary: 27 November: This week, energy-free air conditioning, the science of sex laid bare, and scientists who peer-review themselves.