Learn about why there could be planets even more habitable than Earth; an online class that boosted grades by changing students’ beliefs; and why optimism may lead to better sleep.

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In this podcast, Cody Gough and Ashley Hamer discuss the following stories from Curiosity.com to help you get smarter and learn something new in just a few minutes:

• There Could Be Planets Even More Habitable than Earth — https://curiosity.im/2ZDzgrV
• This Online Class Boosts Grades by Changing Students' Beliefs — https://curiosity.im/31QyMA4
• Optimism May Lead to Better Sleep — https://curiosity.im/2ZrTrck

Download the FREE 5-star Curiosity app for Android and iOS at https://curiosity.im/podcast-app. And Amazon smart speaker users: you can listen to our podcast as part of your Amazon Alexa Flash Briefing — just click “enable” here: https://curiosity.im/podcast-flash-briefing.

Find episode transcript here: https://curiosity-daily-4e53644e.simplecast.com/episodes/beliefs-that-boost-grades-optimism-for-better-sleep-and-planets-more-habitable-than-earth

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