Watch the Q&A session here: https://youtu.be/PcNoOjT30VY

Vaccination has changed the world, saving millions of lives and enabling us to eradicate a lethal disease for the first time in human history – not to mention their critical role in ending the Covid-19 pandemic. This lecture explores how a vaccine actually works, why mRNA vaccines are truly groundbreaking and why we can’t simply vaccinate against everything.

This lecture was recorded by Robin May on 26th March 2025 at Barnard's Inn Hall, London.

Robin is Gresham Professor of Physic.

He is also Chief Scientific Adviser at the Food Standards Agency (FSA) and Professor of Infectious Disease at the University of Birmingham.

The transcript of the lecture is available from the Gresham College website: https://www.gresham.ac.uk/watch-now/how-do-vaccines-work

Gresham College has offered free public lectures for over 400 years, thanks to the generosity of our supporters. There are currently over 2,500 lectures free to access. We believe that everyone should have the opportunity to learn from some of the greatest minds. To support Gresham's mission, please consider making a donation: https://www.gresham.ac.uk/get-involved/support-us/make-donation/donate-today

Website: https://gresham.ac.uk
Twitter: https://twitter.com/greshamcollege
Facebook: https://facebook.com/greshamcollege
Instagram: https://instagram.com/greshamcollege
Support Us: https://www.gresham.ac.uk/get-involved/support-us/make-donation/donate-today

Support the show

Watch the Q&A session here: https://youtu.be/qz9a4zXIFz0

The ancient Druids have long represented some of the most striking and controversial figures in ancient and medieval literature. In this lecture, we will look at the many different ways in which the modern imagination has been inspired by them, both as heroic ancestors and as demonic villains against whom civilisation can be defined. It traces the appearance of different kinds of Druidry as a part of Paganism, and suggests what the particular contribution of that Druidry to modern culture may be.

This lecture was recorded by Ronald Hutton on 2nd April 2025 at Barnard's Inn Hall, London.

Ronald is the Gresham Professor of Divinity.

He is also Professor of History at the University of Bristol and a Fellow of the British Academy, the Royal Historical Society, the Society of Antiquaries and the Learned Society of Wales.

The transcript of the lecture is available from the Gresham College website: https://www.gresham.ac.uk/watch-now/modern-druids

Gresham College has offered free public lectures for over 400 years, thanks to the generosity of our supporters. There are currently over 2,500 lectures free to access. We believe that everyone should have the opportunity to learn from some of the greatest minds. To support Gresham's mission, please consider making a donation: https://www.gresham.ac.uk/get-involved/support-us/make-donation/donate-today

Website: https://gresham.ac.uk
Twitter: https://twitter.com/greshamcollege
Facebook: https://facebook.com/greshamcollege
Instagram: https://instagram.com/greshamcollege
Support Us: https://www.gresham.ac.uk/get-involved/support-us/make-donation/donate-today

Support the show

Watch the Q&A session here: https://youtu.be/H8nG29pO_y4

Asteroids were for years considered 'celestial vermin' - objects which got in the way of more interesting fodder for astronomers. Now, they are central to our Solar System's story, representing the building blocks from which planets are made, and capable of telling us the history of the last five billion years. This lecture considers two missions - Lucy, which flies past asteroid Donald Johnson in April 2025, and OSIRIS-ReX, which recently returned from threatening near-Earth asteroid Bennu bearing samples of this unusual world.

This lecture was recorded by Chris Lintott on 23rd April 2025 at Conway Hall, London

Chris is Gresham Professor of Astronomy.

He is also a Professor of Astrophysics at the University of Oxford, and a Research Fellow at New College.

The transcript of the lecture is available from the Gresham College website: https://www.gresham.ac.uk/watch-now/asteroid-adventures

Gresham College has offered free public lectures for over 400 years, thanks to the generosity of our supporters. There are currently over 2,500 lectures free to access. We believe that everyone should have the opportunity to learn from some of the greatest minds. To support Gresham's mission, please consider making a donation: https://www.gresham.ac.uk/get-involved/support-us/make-donation/donate-today

Website: https://gresham.ac.uk
Twitter: https://twitter.com/greshamcollege
Facebook: https://facebook.com/greshamcollege
Instagram: https://instagram.com/greshamcollege
Support Us: https://www.gresham.ac.uk/get-involved/support-us/make-donation/donate-today

Support the show