September 2013 Download icon

Episode 4: September 2013

In this episode we hear about how flatworms regenerate, the evolution of photosynthesis, social interactions between mice, the properties of undead cells, and how steroids and genes interact.
Episode 4: September 2013

Chapters

  1. 0:49
    How flatworms regenerate tissue
    How are organisms such as planarians able to grow new heads and tails?
    This chapter is based on the following content
  2. 6:54
    The evolution of photosynthesis
    Computational techniques have shed fresh light on how C4 photosynthesis evolved from C3 photosynthesis.
    This chapter is based on the following content
  3. 13:34
    Social interactions in mice
    Mice that grow up in environments with lots of stimuli are less social and more territorial than mice that grow up in more spartan surroundings.
    This chapter is based on the following content
  4. 16:43
    Undead cells and cell death at a distance
    Cells undergoing programmed cell death release signals that trigger apoptosis in distant cells.
    This chapter is based on the following content
  5. 23:26
    Turning transcription on and off in single cells
    How much steroid is needed to switch on a single gene?
    This chapter is based on the following content