Brain Replays Memories at 20x Speed & A Real Maxwell’s Demon

Learn how your brain replays the things you’ve practiced at 20 times speed; and an engine that uses information as fuel.

On your practice breaks, your brain replays memories of your practice session at 20x speed by Kelsey Donk

Scientists built an ultrafast engine that they claim uses information as fuel by Briana Brownell

Follow Curiosity Daily on your favorite podcast app to learn something new every day with Cody Gough and Ashley Hamer. Still curious? Get exclusive science shows, nature documentaries, and more real-life entertainment on discovery+! Go to to start your 7-day free trial. discovery+ is currently only available for US subscribers.

See for privacy information.