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Today's show is dedicated to the science of light. Professor Robin Clarke, from University College London, joins us to talk about the use of Raman spectroscopy to date paintings and manuscripts, to identify pigments, and spot forgeries. Also in the studio is Professor David Philips, from Imperial College London, who joins us to discuss the therapeutic applications of light including photodynamic therapy for the treatment of cancers, light-therapy for the treatment of neonatal jaundice, and a laser-toothbrush he's currently working on.
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In the run up to World AIDS week consultant GU medicine physician Dr Sarah Edwards joins us to talk about the present epidemic of sexually transmitted infections including chlamydia, HIV, herpes, syphilis and gonorrhoea, and Prof. Margaret Stanley, from the Department of Pathology at the University of Cambridge, discusses how she has developed a vaccine against human papilloma virus (HPV), the agent which causes cervical cancer. Also joining us on the show is Dr. Helen McShane, from Oxford University, to talk about a new vaccine she has developed to combat the huge global problem of tuberculosis (TB).
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In today's show, we discuss the weather, climate change, and the hole in the ozone layer. From the University of East London Drs. Tom Hill and Bruce Moffett discuss how they have discovered cloud-living bacteria that could be responsible for triggering rainfall, and Dr. Brian Gardiner, from the British Antarctic Survey (BAS) describes how he and 2 colleagues first discovered the ozone hole in the mid 1980's, why it forms in Antarctica, and how CFCs contribute to ozone-depletion. Also, Rosemary joins us to talk about the benefits of Aloe Vera, and space scientist Dr. Julian Osbourne drops in to tell us about the launch of Swift, a satellite intended to look for gamma-ray bursts (GRBs).
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We talk to Helen Czerski about blowing things up John Emsley talks about chemistry in general and Ron Lancaster explains how he makes fireworks. Plus why reading poetry is good for your health and why you should only eat one magnet at a time.
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Paranormal investigator and vice-president of Society for Psychical Research, Tony Cornell, describes his life spent hunting for hauntings and tackling your spooky experiences during a live Halloween phone-in, and Simon Singh joins us to talk about his latest book - Big Bang - which probes the origins of the universe.
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We look at the upcoming mission to Saturn's moon Titan with John Zarnecki, and we are also talking to Corrine Duhig about how to reconstruct a face from a long dead skull.
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On today's show consultant neurologist Dr Roger Barker, and developmental biologist Dr Adrian Pini, join us to discuss the problem of spinal injury, disorders of the nervous system, and ways to repair the damaged brain through the use of embryonic and other stem cell grafts.
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On today's show consultant dermatologist Dr Jane Sterling joins us to talk about skin diseases including athlete's foot, dandruff, birthmarks, freckles, hair bleaching, moles, and skin cancer, and technologist Dr. Symon Cotton, from Astron Clinica, demonstrates a new scanner which can help doctors to pick up skin cancer at a much earlier stage.
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