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Helping students make informed judgements about controversial aspects of science

Standard level

Stem Cell CTA

Stem Cells

Genetic Engineering CTA

Genetic Engineering

Brain Chemistry CTA

Brain Chemistry

Evolution CTA


Clinical Trials CTA

Clinical Trials

Vaccinations CTA


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  • Vaccinations
    • What are vaccinations and how they work? 
    • Why did the MMR vaccination become controversial? 
    •  Should some vaccinations be compulsory?


  • Stem cells

    • What are stem cells? 
    • Why is embryonic stem cell research so interesting to scientists? 
    • What can scientists do now with embryonic stem cells? 
    •  What are the possible implications for society?
  • Genetic engineering
    • What is genetic engineering? 
    • Why is genetic engineering so interesting to scientists and society? 
    • What can scientists do now with genetic engineering?
    • What are the future possible applications of genetic engineering?

  • Brain chemistry

    • What are neurons?
    • How do our senses detect external stimuli? 
    • How can drugs affect the brain?
    • Why do some people want to alter their brains? 
  • Evolution
    • What was Charles Darwin’s ‘Natural Selection’ idea? 
    •  How does it explain new species? 
    • What new scientific evidence supports natural selection? 
    • Why can teaching evolution in schools be controversial?

  • Clinical trials
    • How are new medicines tested and developed? 
    • Who or what should test new medicines? 
    • Why do we need more medicines? 
    • Who decides how we should test new medicines?