Naked Scientists Podcast

Naked Scientists episode

Sat, 12th May 2007

Microscopic world of bacteria, fungi and viruses

Bacteria pseudomonas (c) Janice Haney Carr, Centers for Disease Control and Prevention's Public Health Image Library

This week on the Naked Scientists we have a whole host of experts in bacteria, fungi and viruses. We'll have Dr Tim Wreghitt (Addenbrooke's Hospital) discussing noroviruses, Dr Ali Ashby discussing her fun work with fungi and in kitchen science with the help of Dr Gillian Fraser we'll be discovering where there are more bacteria: on a toilet seat or a kitchen worktop?


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In this edition of Naked Scientists

Full Transcript

  • 11:13 - Sizing Up the World's Smallest Weighing Scales

    Scott Manalis tells us about the technique he has developed for weighing tiny objects underwater, such as single cells, and even down to a femtogram (thats 0.000000000000001 grams!)

  • 16:59 - Science Update - Bacteria and You

    This week, Bob and Chelsea look at how we react to bacteria. Bob looks into how bacteria could protect us from Asthma, while Chelsea explores our skin's reaction to bacterial invasion.

  • 30:06 - Can bramble and coal dust help with e.coli?

    I used to be a pig man, and many years ago we had a really bad bout of E. coli, we were losing something like 15-20% of piglets born. A herbalist claimed credit for clearing it up. He put bramble tips and coal dust into the adult pigs’ feed. Was it purely coincidence, or was t...

  • 33:10 - Kitchen Science Bacteria Challenge - Kitchen vs Toilet

    For kitchen science we tried to see if there's any truth to the urban legend that there's more bacteria on a kitchen worksurface than on a toilet seat.

  • 42:09 - Fantastic Fungi

    Dr Ali Ashby on all that is fantastic about fungi. From the worlds largest organism to the flavour of chocolate, we've got lots to thank fungi for!

  • 49:00 - Do noroviruses show the same seasonality as flu?

    Norovirus have been compared to influenza viruses, so do noroviruses show the same seasonality as flu?



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