Acupuncture works well for some to relieve pain and stress - but how is it done and how does it work. Guest acupuncturist Steve Jones joins the Naked Scientists to describe the acupuncture procedure.
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Why are some people left handed ? Most of the world around us and in us is assymetrical - from your heart being on the left, down to the sugar molecules in your DNA being right-handed. Chris McManus joins the Naked Scientists to discuss why some people are left handed.
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Chemist John Emsley discusses phosphorus. Discovered when early alchemists boiled up urine, looking for gold, and instead found a substance that spontaneously ignited, phosphorus has since spawned the match industry, a trade union, a succession of grisly murders, been used to wage war, and now as a fertiliser and food preservative.
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Chemists Graeme Hogarth and Ivan Parkin discuss why some copper coins can be picked up with a magnet, what liquid oxygen is like, how to make explosions and a novel kind of glass that never needs cleaning !
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Susan Greenfield, director of the Royal Institution, joins us to discuss how does the brain generate consciousness, what is consciousness, how can we study consciouness, what is unconsciousness, and are animals conscious in the same way that humans are ?
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Author and world-renowned authority on psychical research and psychical phenomena Dr. Tony Cornell joins The Naked Scientists to discuss what is a ghost, what is a poltergeist, how do scientists study ghosts and hauntings, and who can see ghosts.
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Dr. Jens Krause, from Leeds University, has developed a robotic fish that can be used in the laboratory to study how fish form shoals. He also discusses what we know about how fish behave in the wild and answers the age-old question of how long is the memory of a fish ?
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Dr. Tony Hooley, from the development company 1Limited, discusses the principles and applications of 3D surround sound, and a new surround-sound system which uses just one one speaker unit.
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Dr. Stacey Efstathiou, from Cambridge University, joins The Naked Scientists to talk about what is a virus, how viruses were discovered, how big are viruses, how viruses cause disease, how viral illnesses can be treated, and how viruses evade the immune system.
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Eukaryotic cells contain remnants of ancient bacteria called mitochondria, which provide energy for cellular processes. Changes in the DNA contained within mitochondria, which still shares many features with bacterial DNA, can be studied to follow the evolution of cells and humans.
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