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The man who creates real life superheroes

Meet the man who shrinks and enlarges ants for real
Sebastian Alvarado is a geneticist at Stanford University in the American state of California. He studies the DNA of animals and how features like body shapes and colour patterns are transmitted from one generation to the next....but he didn't land that job by chance.  He told Matthew how he'd been obsessed with science since he was a child.

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Credit: Astrid Stawiarz, Getty Images
Bristlecone pines

Marnie Chesterton

BBC Radio Science Unit

Mayflies live for a day, humans live a century - if we’re lucky - but what is the oldest living organism on the planet?

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