January 2015 Download icon

Episode 17: January 2015

In this episode we hear about controlling sperm by optogenetics, hibernation, body clocks, enzyme structure, and a way to overcome stress-induced infertility.
Episode 17: January 2015
Laetitia C (CC BY-SA 3.0)

Chapters

  1. 0:36
    Remote controlled sperm
    Light can be used to control the motility of sperm.
    This chapter is based on the following content
  2. 5:30
    Heating up in a hurry
    Specially protected messenger RNA molecules allow hibernating squirrels to warm up quickly.
    This chapter is based on the following content
  3. 11:03
    A second body clock
    Dopamine drives an "ultradian" clock with a period of around four hours in mice.
    This chapter is based on the following content
  4. 15:26
    Modelling molecules
    Learning more about how enzymes work could lead to the design of new enzymes.
    This chapter is based on the following content
  5. 20:19
    How stress causes infertility
    Switching off the RFRP3 gene in the hypothalamus prevents stress-induced infertility in rats.
    This chapter is based on the following content