 Trawl fishing involved hauling a net behind a boat, and is extremely good for catching large numbers of fish. However, it can cause huge damage to the sea bed, which can take centuries to repair...Les Watling, University of Hawaii August 2008
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 Chris talks to Karen Kidd from the University of New Brunswick in Canada about a study that investigated the consequences to fish of high levels of female hormones getting into lakes and rivers...Karen Kidd August 2008
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 David Karl from the University of Hawaii talks to Meera about the problems we face as climate change threatens ocean microorganismsDavid Karl August 2008
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 Meera dons a penguin costume to meet with Tilo Burghardt, who explains the new penguin tracking system, developed at the University of Bristol, which can recognise an individual penguin from afar to try and understand why penguin numbers are falling...Tilo Burghardt, University of Bristol August 2008
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 People have long suspected that drinking alcohol makes people seem more attractive, but now, scientists at Bristol University have proof of the 'beer goggle' effect...Marcus Munafo, Bristol University August 2008
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 Age-related Macular Degeneration, or AMD, remains the most common cause of blindness in the UK, with little hope for treatment. The London Project to Cure Blindness are researching stem cell techniques that could see the end of AMD...Pete Coffey, UCL, and Lynden da Cruz, Moorfields Eye Hospital August 2008
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 It's easy to dismiss bigfoot hunters as crackpots, inhabiting the 'lunatic fringe' of science - but, just like the amateur naturalists of the 19th century, monster hunters play a very important role...Brian Regal, Kean University August 2008
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 Planets come in many shapes and sizes, but how do they form? Chris met Micheal Meyer at the AAAS conference in Boston, to find out...Dr Michael Meyer, University of Arizona August 2008
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 It takes an astronomical effort to feed all of the Olympic athletes, so how do they manage? Madeleine Genner spoke to Gary Leahy, senior executive chef for the Olympic village.Madeleine Genner and Gary Leahy August 2008
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 Our first passenger, Beverley Glover from Queens' College talks about the hot world of flowers.Dr Beverley Glover, Queens College August 2008
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 Enzymes are the "amazing chemical machines" that make reactions happen billions of times faster than they would do anyway - and help keep your clothes looking as good as new. Florian Hollfelder works on finding new enzymes, using techniques inspired by nature...Dr Florian Hollfelder, Trinity Hall College August 2008
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 An animatronic tongue created by scientists at the University of Sheffield could help us understand how speech is produced and so help to create better voice recognition software. We spoke to Professor Roger Moore to find out a bit more...Roger Moore July 2008
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 Scientists have been tying electronic tags to jellyfish, in order to study turtles! We spoke to Jon Houghton from Queen's University Belfast to find out why...Jon Houghton, Queen's University Belfast July 2008
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 Dr Harren Jhoti founded Astex Therapeutics in 1999. We chatted to him to find out what happens in the process of finding new drugs.Dr Harren Jhoti, Astex Therapeutics July 2008
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 Melanie McCullagh from Biotica tells us how they are fighting diseases using chemicals found in bacteria.Melanie McCullagh, Biotica Technology July 2008
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 If you’ve ever been on a long plane journey, and ended up with jetlag - you’ll know how confused you can feel for a few days afterwards.
So why is it that being in the ‘wrong’ time zone should have such an impact on your body? And is there a way to re-set your body clock so you don’t have to suffer?Professor Russell Foster, Oxford University July 2008
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 We know our body clocks control when we need to eat, sleep and perform other important functions. But what about plants? Do roses get restless and geraniums get jetlag?Dr Harriet McWatters, Oxford University July 2008
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 The evolution of the Peppered Moth is a textbook example of adaptation in the face of changing environmental conditions - yet the design of the original experiments have been criticised. Cambridge University scientists have been updating the experiment...Dr Remy Ware, Cambridge University June 2008
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 Evolving organisms on a lab bench allows a perfect view of how they change over time - but sometimes they can surprise us...Professor Richard Lenski, Michigan State University June 2008
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 In Soay Sheep, having the biggest horns means you're more likely to breed - but it also means you're less likely to survive your first winter...Dr Alastair Wilson, Edinburgh University June 2008
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