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Olympic Science
12 Jul 2008
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5th Oct 2008

Catching up with Cancer


Helen Scales

Chris Smith

We catch up with the latest on cancer this week including an update from the National Cancer Research Institute conference in Birmingham. We hear how computers are helping doctors to read mammograms, how researchers are re-programming the immune system to attack tumours, and we get the low down on the new vaccine against cervical cancer. We also discover how blood cells can be used as a Trojan horse to sneak-in chemicals to boost the power of body scans, what a fossil form of HIV can tell us about the origin of AIDS, and how beetles create their own antibiotics. Plus, in kitchen science, Ben and Dave use the power of steam to crush cans!

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News

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 ...

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...

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...

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...


Questions

Wasn’t there something about shining light on skin that was a method of detecting cancers?


Are there treatments for womb cancer?


Is there some way of detecting cancers using sound waves?


How do plants protect themselves from UV damage?



Kitchen Science

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Steam Powered Can Crusher

How to use the power of the atmosphere to crush your drinks cans for you...


Interviews

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...

Human Papilloma Virus

Cervical cancer is the second most common cancer in women under 25 and 70% of cases are caused by a family of viruses known as the human papilloma virus. A new vaccine, now being given to girls age 12-13 in the UK, could help wipe out the problem...

Cancer Imaging - Zooming in on Cancers

A new initiative funding research into cancer imaging could find new ways to spot cancer early, and better ways to target treatment. Kat Arney finds out more...

Mounting an Immune Attack Against Tumours

Immunotherapy, using the body's own immune cells to attack a tumour, could provide an alternative to radiotherapy, chemotherapy and traditional surgery. We found out how it's shown promise in treating malignant melanoma.


QotW

Why do humans have three different blood groups?

Why is it that humans have three different blood groups: A, B and O. Do animals have the same blood groupings?





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