Today I Learned (TIL)

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You learn something new every day; what did you learn today? Submit interesting and specific facts about something that you just found out here.

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TIL that birds control the shape of their wings during flight using hook-shaped microstructures in their feathers to prevent them spreading too far apart. The detachment of the hooks is noisy, so ... (www.science.org)

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The original was posted on /r/todayilearned by /u/Patient-Statement877 on 2024-09-08 01:10:41+00:00.

Original Title: TIL that birds control the shape of their wings during flight using hook-shaped microstructures in their feathers to prevent them spreading too far apart. The detachment of the hooks is noisy, so they are missing from silent fliers such as barn owls.

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