AskPippa🇨🇦 on Nostr: Such a simple solution. A study n Norway found that a single black blade on a ...
Such a simple solution. A study n Norway found that a single black blade on a windmill causes birds to see a grey smudge in the air that they know they need to fly around.
Published at
2025-11-05 23:55:20 UTCEvent JSON
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