Narrator: Humans have been making silk for centuries ... Filaments are joined to create a thread thick enough to weave into fabric. One yard of silk fabric costs approximately $100.

making the same product ... are gathered together and twisted into a yarn in the same way that cocoon silk threads are spun or thrown together. The artificial silk threads, while still soft ...

Phan Thi Thuan's family have been making silk for generations, growing and harvesting the threads from silkworms themselves to create luxury garments. But making lotus silk is different.

make little silken cells in which to hide in during the day - a bit like a sleeping bag.' Most spiders use silk to wrap their eggs. Another common use for silk is as a drag line. Every so often a ...

“Making a clock is easy,” he says ... He can tell how old a silk thread is by looking at the ratio of D to L amino acids. At year zero, all will have the L structure; given enough time ...

When they weave their webs, spiders pull their silk threads. New simulations show stretching ... is necessary for making really strong fibers," said Northwestern's Sinan Keten, the study's senior ...