10 Biggest Questions in Science

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7. How are memories stored and retrieved?

Where do out memories go? Why are some memories strong while others weak? Why do we sometimes remember something unremarkable from decades ago but can’t remember yesterday’s lunch? There have been many theories put up to explain this phenomenon but even more questions pop up with every potential answer.

Miriam Doerr Martin Frommherz/Shutterstock.com

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