The Reality Check #90: Why Sex? + Pigeon Head-bob + Dog Colour Vision

• Subscribing here for free with iTunes
• Using this link in your browser, or other podcatching software.

Elan asks the important question “Why do animals waste so much effort on having sex?”. Darren settles a question from a previous episode about why pigeons bob their heads. Finally, Adam debunks the myth that dogs cannot see colour.

Listen now: http://traffic.libsyn.com/therealitycheck/The_Reality_Check_Ep_90_-_2010-05-20.mp3

Download direct: mp3 file