There is a long history of debate about biological sex differences and their part in determining gender roles. In this talk, Professor Gina Rippon debunks bad science and discusses the real breakthroughs in our understanding of the human brain.

Water may seem the most ordinary of substances, but you would be surprised at how profoundly strange it is. Alok Jha explains how it has shaped life on earth, and how this molecule connects you and everyone else to the birth (and death) of the universe.

Science and philosophy are both brilliant and they'd both be even more brilliant if they could talk like grown-ups. Philosopher, writer and stand-up comedian Charlie Duncan Saffrey attempts to get better dialogue going between the two disciplines.

The media love to sensationalise the dangers of illicit drug use, whilst downplaying the harms from legal drugs. Dr Suzi Gage discusses the scientific understanding of the harms, and also potential benefits of recreational drugs, both illegal and legal.

How can we make companies, politicians, commentators and official bodies accountable for the claims they make? Chris Peters talks about the Ask for Evidence campaign and how you can get involved.

Michael Marshall highlights how much money is spent on homeopathic remedies, how this gives undeserved credibility to homeopathy, how such remedies can lead to genuine harm and what you can do to help.

Dr Sylvia McLain talks about the history of science and its culture and the rise and fall of theories and laws and discusses what science means to us in the modern age.

Physicist and science journalist Dr. David Robert Grimes discusses the problems in reporting science from misunderstandings to bad statistics to false balance, and how such problems can be remedied.

Sarah Kendrew gives an overview of the James Webb Space Telescope, the successor to Hubble, and the exciting science it will do after launch. She talks about where the mission is right now, from her personal involvement in one the instruments onboard.

Simon Clare, an unabashed atheist, signed up to his local Alpha Course in Brighton, wondering if his faithlessness would be challenged. Spoiler: He wasn't converted but he was surprised at what he learnt about faith.