Science and nature courses online & in London

Spanning weekdays, evenings, and weekends, City Lit's science and nature programme offers a wide range of online courses and lectures across the fields of astronomy, geology, physics, chemistry, evolutionary and forensic anthropology, botany and horticulture, and ecology, conservation, and climate change.

Our science and nature courses will help you understand how our planet, its ecosystems, and humanity has evolved up to the present day and the challenges we now face, whether looking at the plant kingdom, the animal kingdom, or our own societies. Our courses, including lectures, day courses, and longer-term study over several weeks, aim to inform you of the issues that interest you.

Throughout 2021, our courses will run online to ensure the safety and wellbeing of our community. This enables you to join your courses wherever you are. We will keep you updated as to when we will be back in our building in central London and on our walks across the capital. Whether online or in the classroom, we are here to welcome you.

Our courses are taught by experts in their fields.

Coming from a range of backgrounds, our tutors include academic experts, forensic anthropologists, experienced educators, archaeologists, conservationists, horticultural experts, and renowned guides. Whoever your tutor, all our courses are intellectually rigorous and stimulating.

Take a look at our programme below to find your next science or nature course. For more information about our live online courses, please see our guide to online learning.


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  1. The physics of time
    Course start date:  Sat 2 Jul 2022

    Location on this date:  Keeley Street

    Tutors:  Gary Retallick
    We will explore the various different conceptions of time within modern physics. The absolute time of Newtonian mechanics is contrasted with the relativistic time of Einsteinian gravity. The possibility that time is quantized, made up of discrete moments, is seen to emerge in some of the most cutting edge theories of physics, such as loop quantum gravity and string theory. The emergence of time in the big bang, the direction of time, and the possibility of time travel are all explored.
    Full fee £59.00 Senior fee £47.00 Concession £30.00
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  2. Chemistry of food
    ONLINE, Weekend
    Course start date:  Sat 23 Jul 2022

    Location on this date:  Online

    Tutors:  Gary Retallick
    In order to remain healthy, humans require a balanced diet of carbohydrates, lipids (which include but are not limited to fats), proteins, vitamins, minerals and water. Join us to learn more about the chemistry of food.

    This course will be delivered online. See the ‘What is the course about?’ section in course details for more information.
    Full fee £59.00 Senior fee £47.00 Concession £26.00

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