Measuring the Universe

Measuring the Universe

We talk to Planck Scientists at the Kavli Institute in Cambridge, and Nick James, an amateur astronomer who has set up a security camera on the side of his house to observe shooting stars. Plus we answer more of your space science questions.

Doing the twist – packing DNA – Naked Genetics 13.04.14

Doing the twist – packing DNA

Histones and DNA (c) Zephyris

Almost every single cell of your body is packed with more than two metres of DNA, containing your genes. But not only does it have to be packed up to fit in there, it also has to be organised and read. Plus, how DNA twist might be linked to cancer, analysing dinosaur DNA, and an adventurous gene of the month.

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In this edition of Naked Genetics

Full Transcript

  • Chromosome territory (c) Mayer et al

    01:06 – Prof Wendy Bickmore – Packing DNA

    Almost every one of your cells has more than 2 metres of DNA
    packed into it. How is this achieved, and how is it organised?

  • Dnahelix_genetic_fingerprint (c)

    10:00 – Mark Henderson – Genes and society

    Mark Henderson gives us a taster of what to expect at the
    Genetics Society Spring meeting, looking at genomics for
    health and society.

  • DNA Model (c) Ynse - Flickr

    16:17 – Dr Nick Gilbert – Twisting DNA

    In our cells, DNA is wrapped around ball-like packing proteins. But why doesn’t it get all tangled up? And what does it look like?

  • A pair of dinosaurs fighting (c)

    23:45 – How is dinosaur DNA purified?

    Hi this is Steve Cherry from Lethbridge Alberta Canada. I listen to your great podcasts every weekend after our own domestic science show Quirks and Quarks. My question is: I read that a couple of researchers have said they have extracted dinosaur DNA, how do they separate it fro…

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