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Back up to: Life's Big Questions

1. Should Animals Be Kept In Zoos?

   6/6 Are zoos a great way to teach people about nature or simply cruel entertainment?
2. The Nuclear Dilemma

   5/6 Do the benefits of nuclear power outweigh the risks?
3. Should Human Kidneys Be Bought And Sold?

   4/6 Should healthy people be allowed to sell a kidney to those in need?
4. How Big Is Our Universe?

   3/6 Join Prof Brian Cox on an astonishing journey from Earth to the edge of the Universe.
5. Is It Time To Reassess Our Relationship With Nature?

   2/6 Are humans fundamentally different to nature? Or are we part of it?
6. Are We Thinking About Alien Life All Wrong?

   1/6 Prof Brian Cox explains the ‘panspermia’ theory – how life could spread between planets.