With the temperature in New York city in the 90s, the Most Useful Podcast Ever asks Luke Belvel, an expert on heat exhaustion from the University of Connecticut’s Korey Stringer Institute, for some essential cooling tips, including whether panting like a dog works for humans. We also learn what to look for in a kayak from the owner of Manhattan Kayak Club, and the staff plays football indoors. Plus, tech editor Alex George has a secret to tell you about iOS 10.

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