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Our Mission


We are a not-for-profit community organisation, founded to promote science, positive skepticism and critical thinking skills via public engagement. 

We also host monthly Skeptics in the Pub and social events.

Our events are open to everyone, whether you consider yourself to be a skeptic or not. If the subject matter is of interest, please come along and join the debate.



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Skeptics In The Pub Network


Cambridge Skeptics is part of the international Skeptics in the Pub Network.

Skeptics in the Pub was founded in London by Dr. Scott Campbell in 1999 who arranged lectures in pubs for anyone who was interested in science, history, psychology, philosophy or how to examine extraordinary claims of all sorts. The format was very popular after many groups adopted the format and title, the network was officially formed by Sid Rodrigues. 

You can find out more about Skeptics in the Pub and the locations of all the branches at

The Good Thinking Society


The Good Thinking Society is a nonprofit organisation promoting scientific scepticism established by Simon Singh in September 2012. 

The society aims to raise awareness of and fund sceptical projects.

The goal of the society is 'to encourage curiosity and promote rational thinking'. In partnership with its advisory board, consisting of several friends of Cambridge Skeptics (including Professor Richard Wiseman and Professor Edzard Ernst), the organisation has run several successful campaigns promoting public awareness of such issues. To find out more about The Good Thinking Society, please visit

Groups We Collaborate With

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Cambridge Humanist Group

The Cambridge Humanist Group is a welcoming and diverse community of atheists and secularists. We are committed to good company and a good life without religion. We stand up for the right of non-believers to be free from imposition by religious views and organisations. We run Sunday coffee mornings at CB2 Bistro, hold a pub social at a central Cambridge venue on most 1st Thursdays of the month, hold discussions and various social events throughout the year.

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Cambridge Alehouse Philosophers

The Cambridge Alehouse Philosophers are a group of people who enjoy talking about ideas, and who are philosophically inclined or would like to find out more about philosophy.  We meet every two weeks, normally on a Tuesday or Wednesday. Our venues are nearly always pubs, in various different parts of Cambridge, which offer a free public space and where those who are so inclined can also have a drink!

Once per month, one of our members will prepare a short talk for the evening and discussions will start to spin off from that; we also have organised debates; otherwise, we simply meet up for a sociable chat.

Everyone is welcome, we have absolute beginners to philosophy as well as people who been involved in the subject for some time.

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Effective Altruism Cambridge

The effective altruism community is a global community of people who care deeply about the world, make benefiting others a significant part of their lives, and use evidence and reason to figure out how best to do so. You can find out more about effective altruism at: In Cambridge, our local effective altruism community runs plenty of events each week, including lectures, workshops, discussion groups, socials and trips away.