What’s the difference between being fatigued and sleepy? Do melatonin and other sleeping aids work? And what can you do if you just can’t sleep?Neurologist and sleep specialist W. Chris Winter, author of the book The Sleep Solution: Why Your Sleep is Broken and How to Fix It, talks about how the brain and body regulate sleep. He also gives ideas for controlling your behavior to improve your “sleep hygiene.” Science museums can be a fun and educational way to spend a day—but what if you don’t have a day? What if there’s no museum near you? Or what if you don’t think you like science enough to spend money on an entry fee? All of these are reasons one nonprofit is working to shrink the museum, and bring it to you—starting with the Smallest Mollusk Museum. It’s a vending machine-sized exhibit on the slimy tricks, strange brains, and ecological importance of snails, squids, octopuses, and their chitinous cousins. Amanda Schochet, co-founder of the project and a former computational biologist, explains what goes into making a small museum that can still share big ideas. In recent years, medical providers have largely moved away from scrawled paper charts to electronic health records. But a team of researchers argues that the transformation of medical records hasn’t gone far enough. While there has been widespread adoption of electronic health records, most are just static, flat translations of the format of the old fashioned paper file. If we can subscribe to specific categories of news online, the researchers say, why shouldn’t medical specialists be able to subscribe to a given patient’s medical records to get updates and alerts of specific interest to them? Why shouldn’t medical teams be able to get notifications and share information when patients needing special care plans arrive at the hospital? Plus, a satellite launched this week would aid in planned Chinese lunar exploration. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

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“What did the council decide on item 42?” — answered with the speaker and the moment.