Science Podcasts

Naked Scientists episode

Sun, 21st Mar 2010

The Science of Farming

Peas in pods. (c) Gaetan Lee

We dig into the science of farming this week with a look at how agriculture can adapt to a changing climate, how scientists are striving to produce a perfect pea and a new initiative to turn native African fruit trees into the next commercial blockbusters. In Kitchen Science we use chromatography to reveal the colours concealed in chlorophyll, and in this week's news round-up, a new way to finger criminals using the trail of bacteria they leave behind, combating cancer with synthetic lethality, and how scientists have turned mosquitoes into flying vaccinators...

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In this edition of Naked Scientists

Full Transcript

  • 12:36 - Preventing Alzheimers Disease in Fruit Flies

    Leila Luheshi explains how a binding protein could be used to prevent the build up of the toxic proteins that cause Alzheimers disease...

  • 17:43 - Farming in a Changing Climate

    The human population is estimated to be about 6.8 billion right now, and it’s set to grow to over 9 billion by 2040. Supporting a population that big is a really big challenge, but it could be made even harder if you factor in the effects of climate change. We find out how a c...

  • 24:03 - Domesticating African Fruit Trees

    Meera Senthilingam explores how the domestication of African fruits trees is helping meet the nutritional and economical needs of Africas increasing population...

  • 31:43 - Perfecting the Pea

    The humble pea is something of a wonder plant, we all like to think – for one thing, it adds nitrogen back into the soil, and that reduces the amount of fertiliser that you need to add to the next crop that you want to grown on the same soil. But, some scientists think they can...

  • 38:32 - Chlorophyll Chromatography

    Find out some of the pigments in a leaf using some easy household materials.

  • 46:14 - Is fertiliser more damaging than buring fossil fuels?

    Dear Chris   Also on a recent farming programme they explained that satelite pictures of farmland combined with computer programming of the distribition of fertilsers from a tractor could optimise yields using no more than the necessary amount of fertiliser. Suprisingly they s...

  • 49:44 - How do cancers spread between organs?

    With the recent sequencing of various lung cancer and melanoma genomes, it seems that the specific sets of mutations that cause one type of cancer differ from those that cause another type of cancer. If this is the case, how does cancer spread from one organ to another? F...

  • 50:42 - Do we absorb all the calories in food?

    Are all the calories in food actually absorbed by the body?



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