Royal Institution Christmas Lectures — Season 59
In this year’s Christmas Lectures, Dr Chris van Tulleken delves deep into our guts – to reveal the revolutionary latest science around what happens inside our bodies when we eat. He investigates how f
About this season
In this year’s Christmas Lectures, Dr Chris van Tulleken delves deep into our guts – to reveal the revolutionary latest science around what happens inside our bodies when we eat. He investigates how food has fundamentally shaped human evolution, uncovers the importance of our microbiome – as the extra ‘organ’ we didn’t know we had – and asks how we can all eat better in future, for the sake of our own health and the health of the planet. Chris will reveal how what we eat can have a massive effect on both our bodies and our brains. He’ll bring the science to life through a series of fact fuelled demos, special guest appearances, festive food hacks, and a healthy dose of self-experimentation. From tastebuds to toilet, we’ll find out what happens in the body when we eat. How we eat with our eyes (green eggs and ham anyone?) and how smell and even sound can affect the taste of our food.
Episodes (3)
1. From Taste Buds to Toilet
Aired 29 December 2024 • 59 min
Dr Chris van Tulleken follows the extraordinary journey food takes through our bodies – from the very first moment we see and smell a potential meal... until it finally emerges at the other end of our digestive tract. Be prepared for plenty of gross moments in this one-hour lecture!
2. How Food Makes Us
Aired 30 December 2024 • 59 min
In this lecture, Dr Chris van Tulleken investigates how we get energy from our food and how what we eat makes us who we are. He reveals how combustion engines get their energy in a series of controlled explosions – which he demonstrates using a kitchen cupboard of different foods. As the bangs get bigger, it becomes clear that our bodies can’t get their energy in the same way. Luckily, Chris shows us our bodies are much cleverer than even the most advanced engine.
3. The Big Food Hack
Aired 31 December 2024 • 60 min
What did the very first meal on earth look like? To begin his third and final Christmas Lecture in an explosive fashion, Dr Chris van Tulleken takes us back more than four billion years, to the beginnings of life. This was when microscopic bugs first began eating gases and metal, marking the start of an incredible food web which, billions of years later, humans have learned to master.