Gap Fill - Spider Webs - Level 2


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   advanced      amazing      answer      artificial      enough      important      interested      kilometer      level      ligaments      material      new      one      production      protective      secrets      steel      strong      successful      such  
Researchers in Sweden have unlocked of nature's biggest . They worked out how spiders make strong silk for their spider webs. The spider's silk is very . It is tougher than . For decades, scientists looked into what makes spider silk so . Finally, researchers in Sweden have found the . They found that a spider's silk gland has a special acid . This helps to make the silk very strong. The researchers copied this process and made artificial spider-web silk to stretch for one .

The new silk could be very useful. Doctors are in it for stitches. They also think it can help the skin after a burn and replace torn in the body. Airplane companies and makers of clothes also see many uses for the silk. A researcher spoke about how the discovery could be. She said: "This is the first example of [copying] spider silk spinning….This may allow industrial of artificial silk for bio-material applications or… textiles." The silk could be an important new for us in the future.

Try the Spider Webs - Level 3 gap fill.

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