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31st Aug 2008

Science of the Seas


Diana O'Carroll

Ben Valsler

In a round up of interviews from around the world, we seek the science of the sea!  We find out how human actions affect the oceans, how a coral calendar could tell us millions of years of climate history, and how female hormones in the water can feminise fish.  We also find out how marine micro-organisms affect the atmosphere, and how the humble garden pond could fight climate change.  All this and in Kitchen Science, Ben and Dave have a unique tea party, to ask 'how useless is a chocolate teapot?'

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Questions

Is the Rhesus positive blood group dominant?


Does your body burn more energy trying to keep cool than it would trying to warm up?


Why do I get too hot in bed after I've been drinking?



Kitchen Science

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...or download as MP3 [1] [2]

How useless is a Chocolate Teapot?

You have heard the saying, but it is meaningless unless you know exactly how useful a chocolate teapot actually is. We try to find out how thick the walls of a chocolate teapot would have to be to let you brew tea...


Interviews

Studying Corals

Deep water corals, just like their relatives on the reefs, are an indication of a healthy ecosystem - but they also act as a coral climate calender, locking away millions of years of Earth's history. They're being studied as part of TRACES, the TRans Atlantic Coral Ecosystem Study......

Mapping Our Oceanic Impact

Human activities affect the marine environment in different ways, and Kimberly Selkoe and colleagues at the University of Hawaii have been able to develop a map to show where our activities are having the biggest influence...

Trawling and the Damage Done

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...

Female Hormones Feminising Fish

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...

Marine Microorganisms and Climate change

David Karl from the University of Hawaii talks to Meera about the problems we face as climate change threatens ocean microorganisms

Garden Ponds Combat Climate Change

Kat dives into the possibility that ponds could help us fight the greenhouse effect, with Professor John Downing and Jeremy Biggs

Tracking Penguins from Afar

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...




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