Dog cognition and social behavior have hogged the scientific limelight for years—showing in study after study that canines have social skills essential to their relationships with people. Cats, not so much. These often-fractious felines tend to balk at strange situations—be they laboratories, MRI machines, or even a slightly noisy fan. Online News Editor David Grimm joins host Sarah Crespi to discuss several brave research labs that have started to work with cats on their terms in order to show they have social smarts comparable to dogs. So far, the results suggest that despite their different ancestors and paths to domestication, cats and dogs have a lot more in common then we previously thought. Also this week, host Meagan Cantwell speaks with Greg Erhardt, assistant professor of civil engineering at University of Kentucky in Lexington about the effect of ride-sharing services such as Uber and Lyft on traffic in San Francisco, California. His group’s work showed that when comparing 2010 and 2016 traffic, these services contributed significantly to increases in congestion in a large growing city like San Francisco, but questions still remain about how much can be generalized to other cities or lower density areas. This week’s episode was edited by Podigy. Download the transcript (PDF) Ads on this show: KiwiCo Listen to previous podcasts. About the Science Podcast [Image: Thomas Hawk/Flickr; Music: Jeffrey Cook] Learn more about your ad choices. Visit megaphone.fm/adchoices

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