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6th Oct 2008

Ocean Dead Zones, Fossil HIV and Beetle Antibiotics


Chris Smith
The wooden horse from the 2004 film Troy

Using your own red blood cells as a Trojan horse to sneak-in chemicals which boost the power of body scans, the spread of ocean dead zones, what a fossil form of HIV can tell us about the origin of AIDS and how beetles create their own antibiotics all feature in this week's Naked Scientists News Flash.  Plus, we get the latest news from the National Cancer Research Institute conference, and discover a 7km train transporting ore across South Africa!

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News

(c) Bruce Wetzel & Harry Schaefer

Turning blood cells into Trojan Horses

Scientists in Italy have found a way to boost the power of MRI tracer chemicals - by hiding them inside a patient's own cells. A major problem with contrast agents like iron oxide nanoparticles, which are designed to enhance the signals scanners can pick up from certain tissues is that the agents ...

(c) Kils @ Wikimedia

Marine "dead zones" could be even larger than thought

Crabs and other crustaceans in the ocean could be the first to suffocate in the increasing number of marine "dead zones" in the world, areas where there is little or no oxygen. What's more, the extent of oxygen deprivation in the oceans could be much larger than previously thought.These ar...

(c) Centers for Disease Control and Prevention

Fossil AIDS virus

An international team of scientists have found new evidence pointing to 1908 as the year when HIV was born.  Writing in Nature this week, University of Arizona researcher Mike Worobey describes how he and his colleagues uncovered traces of a fossil form of HIV in tissue samples collected in Afr...

(c) USDA

Beetles use antibiotics to protect their food

Beetles use an antibiotic new to science to protect their fungal food stores from attack by other fungal invaders.  That's according to a new study published this week in the journal Science by a team of researchers led by Jarrod Scott from the University of Wisconsin Madison. Southern pine be...


Interviews

(c) National Cancer Institute

News from the NCRI Conference

This weekend saw the National Cancer Research Institute conference in Birmingham, and our very own Kat Arney went along to bring us all the latest news from the front line in the war against cancer...




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