Friday Squid Blogging: Tentacle Arm
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Entries Tagged "squid"
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Friday Squid Blogging: Squid Fishing Lures
EDITED TO ADD (4/10): Link fixed.
Friday Squid Blogging: Squid Fiction
This week, on a writing blog called Elephant Words, every story is based on this squid image. Click forward on the blog entries to see the fiction.
Friday Squid Blogging: They're Defrosting a Colossal Squid in New Zealand
News here, here, here, here, here, and here. And stories about the squid’s big eyes here and here.
(It is certainly colossal: 1,089 pounds and 26 feet long.)
There’s live video. There’s also a lecture series. Video will be available on the Web.
EDITED TO ADD (5/9): More.
Friday Squid Blogging: Video of Squid Spawning
From Jean-Michel Cousteau, a video of market squid spawning off the Channel Islands.
Friday Squid Blogging: Humboldt Squid Invasion
Amazing story from QUEST, a science show produced by San Francisco’s PBS affiliate: video, photos, blog posts.
Friday Squid Blogging: Squid Beaks for Artificial Limbs?
Scientists are considering it:
The beak, made of hard chitin and other materials, changes density gradually from the hard tip to a softer, more flexible base where it attaches to the muscle around the squid’s mouth, the researchers found.
That means the tough beak can chomp away at fish for dinner, but the hard material doesn’t press or rub directly against the squid’s softer tissues.
Herbert Waite, a professor in the university’s department of molecular, cellular & developmental biology and co-author of the paper, said such graduated materials could have broad applications in biomedical materials.
“Lots of useful information could some out of this for implant materials, for example. Interfaces between soft and hard materials occur everywhere,” he said in a telephone interview.
Frank Zok, professor and associate chair of the department of materials, said he had always been skeptical of whether there is any real advantage to materials that change their properties gradually from one part to another, “but the squid beak turned me into a believer.”
“If we could reproduce the property gradients that we find in squid beak, it would open new possibilities for joining materials,” Zok said in a statement. “For example, if you graded an adhesive to make its properties match one material on one side and the other material on the other side, you could potentially form a much more robust bond.”
The researchers are learning lessons that can be applied to medical materials in the future, said Phillip B. Messersmith of the department of biomedical engineering at Northwestern University.
Messersmith, who was not part of the research team, noted that hard medical implants made of metal or ceramic are often imbedded in soft tissues.
“The lessons here from nature might be useful in transitions between devices and the tissues they are imbedded in,” he said in a telephone interview.
Sidebar photo of Bruce Schneier by Joe MacInnis.