Science Podcasts

Naked Scientists episode

Tue, 11th Feb 2014

Green Food

Food (c) National Institutes of Health

Were chewing over the topic of food footprints: How green is your lunchbox? What's the environmental impact of your weekly food shop? Plus, in the news, the prosthetic hand that has allowed an amputee to feel for the first time, a new fatal strain of flu has been identified in a patient in China and Gaias goal is to create the most accurate map yet of the Milky Way.

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In this edition of Naked Scientists

Full Transcript

  • 01:21 - Mapping the milky way

    This week the Gaia telescope, a 1 billion pixel camera was tested 1.5 million km from Earth and it works!

  • 05:25 - A world's first feeling prosthetic arm

    The first prosthetic hand has been developed that allows its user to actually feel what they are touching, in real time.

  • 16:00 - 100 years of radio

    We take a look back at the last 100 years of radio...

  • 20:42 - New flu: H10N8

    A new fatal strain of flu has been identified in a patient in China...

  • 33:54 - The costs of keeping it cool

    Refrigeration may be a bigger environmental issue than transporting food around the country...

  • 40:15 - Wasting our food away

    An astonishing 7 million tons of food and drink is thrown out in the UK every year. We dig into this waste.

  • 44:40 - Are vegetarians better for the environment?

    Is being a vegetarian better for the environment and what about people who eat fish who are also vegetarians?

  • 46:22 - How is food freighted into the country?

    When fruits and vegetables are imported, do you know whether they're going to be imported by air freight or sea shipping and is it that broccoli is always done by air and cabbage is always done by sea? Is there a way that you can know how its being brought into the country?

  • 46:58 - Foods lose nutrients during transport?

    Are there foods that are not worth buying as they loose too many nutrients over a long commute?

  • 49:05 - Growing local rather than freighting?

    if only they could figure out how to grow avocado pears in Europe and then we wouldn't have to buy the puny ones from Peru that cost too quid each and we can pick them like we do at apples in autumn.

  • 50:05 - Is green mucus a sign of a bacterial infection?

    Is it true that if you have a chest or head cold, and the mucus turns yellow or green, this is a sign of a bacterial infection and requires antibiotics? Is this a way to tell viral from bacterial infection? Surely in this age of resistant bugs, it is better to let mild in...



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