Philosopher Jonathan Birch on memes, cultural evolution and the difference in altruistic behaviour between humans and chimpanzees
Art historian Jeffrey Taylor on the art market, the ‘American Leonardo’ and why connoisseurship doesn’t work in a court of law
Glaciologist Martin Siegert on the history of glacial theory, lake Vostok research and what ice tells us about the Earth’s climate in the past
Physicist David Southwood on the exploration of the oceans, Earth meteorology and how can we observe climate change from space
Mathematician Gareth Jones on compact Riemann surfaces, algebraic numbers and what is the absolute Galois group
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