- Alex Thompson
What's the evidence that the world's becoming a warmer place, or are claims of climate change quite literally just hot air? Atmospheric scientist Alex Thompson puts the greenhouse effect under the spotlight...
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- Helen Rogers
The European Parliament voted recently to include CO2 emissions from the aviation industry in its carbon trading scheme from 2011, but did they get it wrong by also including the impact of contrail formation and emissions of nitrogen oxides? What would happen, for instance, if Parliament adopted the same methodology for shipping? Helen Rogers explains why it's not all "plane" sailing…
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- Alexandra Lindsay
Scheele was the first to isolate Hydrogen cyanide in 1782 then went on to show its toxic effects by accidentally becoming its victim. Alexandra looks at why cyanide is poisonous, causes of cyanide poisoning, and how to reverse its effects.
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- Robinson Fulweiler
Climate change has been blamed with altering the environment – from animal migrations to sea level. Now it's also affecting nutrient cycling. Excess nitrogen discharged into estuaries used to be removed by a bacterial process in the sediments. But recent research shows a dramatic change...
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- Helen Scales
Helen looks at how marine reserves in Florida and St Lucia set up to protect space rockets, and local livelihoods have affected fish stocks both inside and outside the reserves.
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- Bruce Wright
Bruce looks at the marine ecosystem in Alaska, and how it appears to have gone through a regime shift, away from shrimp and herring and towards cod and sharks.
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- Klaus Jost
Underwater photographer Klaus Jost photographs the great white shark using a neoprene seal as bait in 'shark alley' off Geyser island, South Africa. In thi
s article he also discusses conservation eforts to save the great white from extinction.
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- Helen Scales
CITES (the Convention on International Trade in Endangered Species) aims to regulate the trade in animal and plant species threatened with extinction throu
gh worldwide trade, legal or illegal. Helen has a look at its workings.
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- Gene Mascoli
The Chilean Sea Bass, or Patagonian Toothfish, is a very tasty fish particularly popular in America. Gene looks into why it has suddenly become very expensive and could be getting more so.
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- Chris Smith
There was a time when almost every action movie seemed to involve the hero or villain becoming swamped in quicksand, sinking away until only their hat remains on the surface. But contrary to what Hollywood would have you believe, although it’s almost impossible to escape from quicksand, it's even more difficult to drown...
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