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Author Topic: Flight  (Read 6697 times)

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AGelbert

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Re: Flight
« Reply #15 on: June 07, 2015, 12:08:19 am »


Quote
One mystery of birds' flight is solved! 

The elegance of birds' flight, their seemingly effortless aerial turns and the softness of their landing, have been envied by many people.

From countless observations, it has been known that the birds use a small group of feathers, called "the alula," a thumb-like structure that is present at the bend of the wing, in slow and steep flight such as landing. Why do they use it? How the tiny feathers can help them land softly?   ???

http://www.sciencedaily.com/releases/2015/06/150605103008.htm
Rob not the poor, because he is poor: neither oppress the afflicted in the gate:
For the Lord will plead their cause, and spoil the soul of those that spoiled them. Pr. 22:22-23

 

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