Imagine if you were having a baby and, before they were born, you could pick whether you wanted them to be a marathon runner or a gifted swimmer. Or perhaps likely to be good at maths. Well, it's not as far fetched as you might think.

This week, Dr Ben Hamer breaks down the world of genetic modifications, and what it could mean for us.

Recommendations:

• A blog that highlights different movies and TV shows that feature CRISPR technology, including that episode of The Simpsons that I spoke about
• An article from MIT about He Jiankui and the genetically modified babies
• A movie that recently dropped on Netflix called Uglies, which is all about in future, turn 16 and through tech can change their entire appearance to be picture perfect pretty, but then what becomes of that..?

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