Get on a crowded train, and your brain may not like it. With strangers around you, cortisol levels shoot up to prepare you for fight or flight, stimulating the liver to produce and release glucose into your blood stream, just in case. Unless you run screaming from the train, your blood sugar levels won’t go down for a few hours – just in time for you to take the train again.

“You’re dosing yourself with almost pure glucose twice a day for your working life,” says Nick Tyler, a professor who investigates the ways in which people interact with the built environment. Tyler believes we need to design the built environment not solely for the conscious mind, but for brain and the body impacts taking place out of sight. As Chadwick Professor of Civil Engineering, Tyler works with a transdisciplinary team to study what that means for design – collaborating with psychologists, neuroscientists, architects and others to research the health and safety impacts of the built environment.

Learn about his immense laboratory in East London, PEARL, and his large-scale experiments with bus stops, zebra crossings, urban parks, supermarkets and e-scooters that have revealed safety gaps and failings.

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