During the pandemic, scientists gained greater prominence in the lives of ordinary people than ever before. And while covid-19 highlighted the importance of the field to humanity, it also raised questions about the role of scientists in modern life. Host Alok Jha talks to the astronomer and cosmologist Martin Rees, one of Britain’s top scientists and a former president of the Royal Society. His new book “If Science is to Save Us” argues that scientific knowledge can solve some of the world’s biggest problems, but it can also lead to great harm. He tells us about the three looming “mega-catastrophes” that worry him most, and how to encourage innovation in scientific research.
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