Lifelong learning: what did you learn this week?

Well today I learned a Hydra is a real thing. Luckilly NOT the immortal sea dragon of myth, but a tiny tentacled tube thing (still immortal though).

I learned this from this thread. Post 19

https://forum.inaturalist.org/t/plant-animal-facts-you-can-t-stop-thinking-about/75077/18

https://www.google.com/search?client=ms-android-boostdish-us-revc&hs=moZU&sca_esv=445b43772c47b857&sxsrf=ANbL-n5eMiIlCEyGwkZqpuG0tX2yfaXupQ:1769543557762&q=Hydra&si=AL3DRZEMzywutErDgNY7hyVsZESN9uiuS2P8W8nniHfroplbIOkIg38IAca-io4fg1ZmZffusQ4BO5FLoHOO4lAtwns69NOu1j20XmA6ETTAQe1W-kL2mUabxrmhWVVcxqM2H07Qhag3N8x2fbW6LtMP7zUTEfrMsA%3D%3D&sa=X&ved=2ahUKEwjz6rK5v6ySAxVD38kDHdKVNV0Q3LoBegQIFhAB&biw=360&bih=669&dpr=3&aic=0

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