4/4 Amanda Vickery tells the stories of three criminals who were transported.
The murder of 35 people by one gunman led to sweeping changes in Australia's gun laws.
3/5 Bettany gazes into outer space and invites poet Ben Okri round to her house for supper.
3/4 Amanda Vickery explores a new crime for a new consumer society - shoplifting.
Harry Wu was a young student jailed for nearly 20 years in Communist China.
2/5 Bettany listens to a rat laughing and giggles at schoolboy jokes from Ancient Mesopotamia.
Kathy Willis examines how we are building future resilience into our modern crops.
2/4 Amanda explores three cases in which men fight and kill each other in the name of honour.
Kathy Willis assesses the cultural value of ecosystems for our health and well-being.
Prof Kathy Willis examines new insights into plants as regulators of our planet.
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