In this episode, we take a trip down memory lane. We visit a campus full of hippos to learn how memories are stored, and drop in on a badger trainer to see how she recalls “the great badger blunder.” We also explore how many memories can our brains store. Hint: way more than you probably think. You may have heard of deja vu, but did you know there are other vus too? We found a lost game show where these vus are contestants. All this plus a new Mystery Sound and Moment of Um that answers the question: do fish have allergies? Tune in to find out!

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This episode of Brains On is sponsored by:

Kiwico, a monthly STEAM project kit for kids. Visit kiwico.com/brainson for a chance to try them out for free.

Madison Reed, ammonia-free, multi-tonal hair color. Go to madison-reed.com and use promo code: BRAINS for 10% your first order.

Pre meat delivery. Go to eatpre.com and use promo code: BRAINSON for a 15% discount.