Gresham College provides outstanding educational talks and videos for the public free of charge. There are over 2,500 videos available on our website. Your support will help us to encourage people's love of learning for many years to come.
2020 marks the 25th anniversary of the Srebrenica massacre and the Dayton Accords resolution of the first two (Croatia and Bosnia) of the three Balkan wars of the 1990s.
Mars has changed since it formed 4.6 billion years ago. When life started on Earth ~4 billion years ago, Mars was habitable too, with volcanism, a magnetic field, surface water and a thick atmosphere. Today, Mars is cold and dry, with a thin atmosphere and harsh surface.
In 1920, Nellie Melba’s singing was transmitted to Europe and Newfoundland via the wireless. In 1922 the BBC began broadcasting, and from the outset sponsored new music and relayed outside broadcasts to the nation (and from 1932, to the world).
This talk will consider how expectation plays a role in discovery and in scientific advance, and considers the challenges involved in assessing changes taking place on our own planet.
This lecture will present the endeavours of cosmologists and particle physicists, as they attempt to explain the fundamental nature of these mysterious dark components.
The Hubble Space Telescope is rapidly approaching its 30th birthday, and we will explore some of the amazing insights it has provided on the beauty of our universe and our place in it.
This talk will explore how simple changes to the circumstances can make dramatic differences to the shapes of the orbits, all of which belong to a special family of shapes known as the conic sections.