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DNA science. Artificial intelligence. Smartphones and 3D printers. Science and technology have transformed the world we live in. But how did we get here? It wasn’t by accident. Well, sometimes it was. It was also the result of hard work, teamwork, and competition. And incredibly surprising moments. Hosted by bestselling author Steven Johnson (“How We Got To Now”), American Innovations uses immersive scenes to tell the stories of the scientists, engineers, and ordinary people behind the great ...
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How much control do we have over our actions and decisions? For most of us, it’s likely that the answer is that, of course, all of the choices we make are our own. But it’s long been argued by some scientists and philosophers that this isn’t the case at all. Could it be that the trajectories of our lives are largely already written into our biology, genes and neural circuitry before we’re even born?
In this episode, we’re joined by Dr Hannah Critchlow, a neuroscientist and author based at the University of Cambridge and recipient of the 2026 Humanist Society’s Rosalind Franklin Medal.
She explains how our personalities, beliefs and actions are deeply influenced by our ancestry, genes and upbringing, what’s happening in our brains when we make a decision, and how current research is showing that accepting our predispositions can likely help us all make the most of who we are.
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