The Nod - Cha Cha Now Y’all

Weddings, school dances, birthday parties for your great auntie—if you’re having a big function, the Cha Cha Slide is going to be on the playlist. But how did the Cha Cha slide become so ubiquitous? Brittany teams up with the Gimlet fam over at Every Little thing to find out. Get ready to learn everything you’ve ever wanted to know about the Cha Cha Slide.

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30 Animals That Made Us Smarter - Spider and remote sensing

When a fly hits a spider’s web the web sends vibrations to the spider crouched at its edge. This is known as remote sensing. The webs may help us design sensors to detect vibrations in the earth and the built environment. These vibrations could be turned into electricity. This could lead to small scale energy harvesting. With Patrick Aryee. #30Animals www.bbcworldservice.com/30animals

City of the Future - 8: Mobility on Demand

Getting around cities today can be challenging. Streets are congested and chaotic, and new modes seem to be popping up daily, adding to the confusion. Cities won't just need physical infrastructure to prepare for these growing mobility options, but the digital infrastructure to help coordinate them all.

In this episode, hosts Eric Jaffe and Vanessa Quirk explore the future of mobility: author Horace Dediu talks about micro-mobility; TriMet's Bibiana McHugh tells the story behind GTFS and the OpenTrip Planner; MaaS Global CEO Sampo Hietanen explains the concept of Mobility as a Service (MaaS); and Sidewalk Labs' Corinna Li explains what Mobility on Demand could be like in the city of the future. For a link-rich transcript of this episode, click here

City of the Future is produced by Benjamen Walker and Andrew Callaway. Mix is by Zach Mcnees. Art is by Tim Kau. Our music is composed by Adaam James Levin-Areddy. If you want to hear more of Adaam’s work, you can check out his band, Lost Amsterdam.