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Science Nation: Spider Silk

2 minutes 33 seconds

Now Playing As: Captioned (English) (change)

Since the time of the ancient Greeks, humans have been using spider silk to dress wounds. Scientists now know spider webs not only have healing qualities, they can be stronger than steel. University of Wyoming Molecular Biologist Randy Lewis adds an almost science fiction aspect to the study of spider silk: making large quantities of it by “growing it” in goat’s milk. With funding from the National Science Foundation, Lewis has cloned and sequenced genes for the proteins that make up five different spider silks, some stronger than Kevlar, others more elastic than nylon.

Media Details

Runtime: 2 minutes 33 seconds

Topic: Science
Subtopic: Biology, Science Experiments, Spiders
Grade/Interest Level: 7 - 12
Standards:

Release Year: 2009
Producer/Distributor: National Science Foundation
Series: Science Nation
Report a Problem

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Person filling a glass from a faucet. Caption: our risk of contracting some form of cancer would go up.

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Robotic arms manipulating a small ball. Caption: is pushing the world of robotics and prosthetics

Bolt of lightning arcing from cloud to ground. Caption: we all want up-to-the-minute information.

Cluster of nerve fibers. Caption: that can image deep into biological tissue,

Dirty water with bubbles and PVC pipes. Caption: and reused again and again in a sustainable loop.

Person with a fabric cap strapped to their head. The cap has metal rivets and wires attached. Captions: (female) it feels maybe like a mild itchy or tingling sensation.

Microscopic image showing web-like structures and C shaped tubular organisms. Caption: (narrator) The soil itself is home to a vast number of tiny microbes,

White glowing orb against a black grid. Caption: Weakly Interacting Massive Particle