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7th Sep 2009

Steel Velcro and the Farming Founding Fathers


Ben Valsler
Photograph showing the hooks of a piece of Velcro

On this week's NewsFlash, we hear how antibodies from long term HIV patients could provide clues for new vaccine development.  Plus, how farmers became our founding fathers, using Google pagerank for conservation priorities and strong, reliable, steel velcro.  Plus, we look back on this Week in Science History and the invention of DNA fingerprinting.

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(c) Fernando Revilla

Pagerank for Species

Most conservation effort seems to be put into species which are pretty or otherwise attractive to humans, but often there is no point in trying to conserve them if their ecosystem collapses.  For example there is no point in stopping anyone killing pandas if the bamboo they live on dies ou...

Electricians shocked to find out how DNA repairs itself

Scientists in America have shown that cells send electrical signals along their DNA to check its integrity. If mutations or damage to DNA goes uncorrected, especially if it affects certain critical genes, the results can be disasterous for the viability of cells or whole organisms since one conse...

(c) Flickr User Olivepixel

Steel Velcro

Velcro - or hook loop fasteners, are increadibly useful things.  They were inspired by a natural means of distributing seeds such as burrs and have been used for uses varying from holding pockets closed to stopping things floating away in space.  However velcro is normally made of plastic ...

(c) Centers for Disease Control and Prevention

Novel HIV Vaccine Target Discovered

US Scientists working on HIV have uncovered a viral Achilles heel that might aid in the develop of a vaccine. Writing in Science, Scripps Institute researcher Dennis Burton and his colleagues have been combing through more than 1800 blood samples from patients in Australia, Africa, Asia, Europe an...

(c) hajhouse @ wikipedia

Where did all the farmers come from?

Farming and cities seem very much the norm now but in the grand scheme they’re actually very recent developments. Modern humans have been around for about 200,000 years and farming has only been with us for the last ten thousand. Farming is a key threshold in human development because once you start...


Interviews

(c) PaleWhaleGail

This Week in Science History - The Invention of DNA fingerprinting

This week in science history saw, in 1984, the invention of DNA fingerprinting by Sir Alec Jeffreys. Since then, the technique has been used in thousands of paternity and criminal cases around the world...




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