Did you know that when a caterpillar turns into a butterfly, it basically puts its brain in a biological blender, yet somehow, its memories survive? Welcome back to What the Study Says! In this deep dive, we explore the mind-blowing truth behind whether memory survives metamorphosis and how trauma can actually be inherited across generations. We unpack a landmark Georgetown University study on the tobacco hornworm, revealing how a protected brain structure called the mushroom body keeps memories intact during pupation. Then, we look at the groundbreaking research of an 11-year-old Japanese scientist, Jo Nagai, who proved that swallowtail butterflies do not just remember their own experiences, they pass those memories to their children and grandchildren through epigenetics. If you are fascinated by genetic memory, inherited trauma, and the incredible science of how butterflies inherit fear, this video is for you. Hit play to uncover the invisible history hiding in DNA!

Watch on YouTube with subtitles: https://www.youtube.com/@whatthestudysays

Podcast: https://podcasts.apple.com/tw/podcast/what-the-study-says/id1814559387

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