Dr Alex Kacelnik from the Department of Zoology at the University of Oxford talks about how crows make tools to find food and explains how animals think.

Professor Michael Beverland, head of the marketing group at the University of Bath School of Management examines how the marketers behind some of the world¿s most enduring brands are responding to a new environment.

Organic devices are revolutionising lighting and solar cells, Professor Alison Walker will describe how this change will impact our lives. Light emission from organic materials is not very common in everyday life. However, some living creatures, such as fireflies and many sea creatures, emit light with amazingly high efficiencies.

Reverend Professor Ian James questions whether climate change is a challenge or a swindle and presents some of the certainties, complexities and controversies from the science of climate change.

Beloved by artists as well as gardeners, flowers are everywhere in art. But are they just flowers or do they carry hidden meanings? Is there a deeper significance - spiritual, cultural or aesthetic - than we realise? Put on your deerstalker and prepare to exercise your little grey cells as we tour a virtual art gallery looking for the clues that artists have left for us between the petals of the rose and the sunflower, two of summer's most beautiful flowers.

Lecturer, writer and editor, Rick Marshall talks about how explosives are made and what to do if they're detonated.

Professor Adrian Hyde-Price from the University's Department of Politics, Languages & International Studies examines the nature and causes of contemporary war and conflict, and considers the prospect of peace in the 21st Century.

Freelance and professional writer Roger Vlitos examines the theories and myths about Avebury.

Paul Ormerod, the author of three best-selling books on economics talks about what mainstream economists have to say about the turmoil of world economy.

Martin Sturge talks about Lady Anna Miller of Batheaston. Mr Sturge is deeply involved with the Bath Royal Literary and Scientific Institution and sponsored the rebinding of a rare volume of Lady Miller's Poetical Assemblies held in the institution's historic library.