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英文原稿
The protein fibre that silkworms spin into cocoons is being turned into screws and plates that can hold bones together and can help broken bones heal faster.
Silk screws do not interfere with x-ray, and as they degrade in the body, they do not require second surgeries to remove.
They are both strong and malleable.
With advanced engineering, silk screws can be created to last as little as a few hours or as long as several years.
Rats were the first test subjects. Human trails may come next.
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