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Spider Silk and millions of other books are available for Amazon Kindle. Leslie Brunetta and Catherine Craig have teamed up to produce a substantive yet entertaining book for anyone who has ever wondered, as a spider rappelled out of reach on a line of silk, “How do they do that.
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The mistakes that the DNA copying system can make are simple, too, like adding a long string of a particular amino acid in the middle of a silk strand. A change like that can mean improved strength or toughness, and with the change can come better webs, more captures, better odds of survival, and retention of the change in high numbers of descendants. The authors show how the codes at the crucial two ends of the silk gene remained almost the same, but the middle section was available for changes, changes that made different silks available to an individual spider, and different silks in different families.
Spiders are one of the animal families that have evolved and changed a lot compared to other animals, and the ability of evolution simply to change the silks has directly resulted in evolutionary success. Spider Silk is written with a sense of wonder and fun. The authors compare a spider sending an initial foundation line by means of wind to Philippe Petit sending a crossbow shot from one Twin Tower to another in so that its line could send over a tightrope for him to cross.
They remind us that spiders rely on wind for this, wafting out a line from the spinnerets at the end of their abdomens. They cannot shoot crossbows or even shoot out silk as does Spiderman from his ingenious wrist-mounted web expeller which " One of the vexed questions that it does not answer is the old puzzle of how spiders avoid being caught in their own webs. Arachnologists are still uncertain about this! It might be that spiders have special non-stick claws or non-stick oils on their feet, or they might tiptoe only on the radial threads that are not sticky, but no one knows for sure.
It's comforting, somehow, to know that with all the arachnological erudition displayed in this volume, there are still basic mysteries to confront. Kindle Edition Verified Purchase. There are many types of writer some are easy to follow others are not.
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This is a great book written so all can understand and enjoy learning about this aspect in nature. One person found this helpful. Who knew that spider silk could be interesting enough to fill out a whole book? But sure enough, it is the particulars of this amazing and diverse product that make it such a fun and fascinating study in evolution, adaptation, and versitility.
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Starting with an explanation of the fossil record, the authors trace the history and genetics of spider silk in engaging, accessible prose. Book was in great shape, came quickly. Good science history aon the evolution of spiders. I heartily recommed this book.
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This kindle version did not include ANY of the color plates mentioned in text. Important discussions and points in the text refer to the plates so their absence makes some important concepts difficult to understand. A shoddily done digitization.
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Get fast, free shipping with Amazon Prime. Brunetta discussed how writing this book helped her learn about evolution and the aimless aspect of natural selection. Leslie Brunetta on "Spider Silk: To learn more about Leslie Brunetta and her book, look at her website here: Go to Williams College Home. Armidale War Memorial Library. Open to the public Open to the public ; Canterbury Bankstown Library Service. Alice Springs Campus Library. Open to the public. May not be open to the public ; La Trobe University Library. Borchardt Library, Melbourne Bundoora Campus.
Open to the public ; QL Open to the public R N The University of Melbourne Library.
University of Queensland Library. University of Sydney Library. University of the Sunshine Coast Library. These 2 locations in Australian Capital Territory: These 19 locations in New South Wales: This single location in Northern Territory: These 8 locations in Queensland: These 2 locations in South Australia: This single location in Tasmania: