• Having a period
  • Having a brain tumour
  • Eating junk food
  • Taking anabolic steroids

What do they have in common?

They have all been used in a court of law to explain the behaviour of a murderer.

This and other nuggets of excellent information are all contained in this excellent video. I must admit I am a huge fan of Professor Sopolsky and am currently reading his epic tome, ‘Behave: the Biology of Humans at our Best and Worst. This video is a snapshot of the book and is highly entertaining too.

I hope you enjoy it as much as I did.