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The 66th #LIYSF united #youngscientists from across the globe to learn, share, and collaborate. Highlights from our Impact Report show how #diversity drives #discovery. Full report on our website. #LIYSF2025 #STEM

In this accompanying video, Professor Clare Elwell, LIYSF Academic President, reflects on the 66th Forum, sharing insights into its outcomes and a message to aspiring young scientists worldwide.

We are pleased to announce the release of our 66th Edition Impact Report, showcasing the continued impact of the London International Youth Science Forum in inspiring and connecting young scientists globally.

Hear from Professor Clare Elwell, LIYSF Academic President, as she reflects on the 66th Forum and shares her message to aspiring young scientists worldwide.

For more information and application details, visit our website.

Beyond the scientific sessions, the forum fosters global understanding through a vibrant social and cultural schedule. Delegates share ideas, build lifelong connections, and experience the best of British heritage with visits to London’s iconic landmarks and world heritage sites.

Participants stay in central London, South Kensington, and take part in a dynamic academic and cultural programme that blends lectures, debates, and hands-on experiences. They visit leading universities and research centres including Cambridge, Oxford, Imperial, UCL, King’s &more

Held under the patronage of Her Royal Highness The Princess Royal, LIYSF offers a unique platform for aspiring scientists to engage with Nobel Prize winners and world-leading researchers, exploring the frontiers of science, technology, and innovation.

The London International Youth Science Forum (LIYSF) welcomes 500 exceptional young scientists from over 90 countries for two remarkable weeks of discovery and collaboration at Imperial College London and the Royal Geographical Society, in the heart of London.

67th LIYSF 2026 Applications Open Now!! 19 July – 1 August 2026 #liysf #stem #stemsummerschool https://t.co/X8lWKrtZ7Z

Nobel Laureate Sir David MacMillan joined 66th Forum student Zoya to talk organocatalysis, his biggest discovery, and insights. Watch the full interview on LIYSF YouTube. https://t.co/L7UyH0NhZs #STEM #Chemistry #NobelPrize #LIYSF

The Class of the #66th explored working labs, observed experiments, and talked with #scientists about their work and #careerpaths. #LIYSF

🌍 The 66th #LIYSF2025 united students worldwide in curiosity, collaboration & exploration. From lectures & labs to cultural performances & the LIYSF Olympics, their energy showed how global #STEM learning sparks growth, connection & inspiration.

#LIYSF2025 #STEM #StandUpForScience

The 66th LIYSF opened with students from 92 countries. Richard Myhill shared this year’s theme, Stand Up for Science. Highlights with HRH The Princess Royal, Professor Clare Elwell, and Nobel Laureate Sir David MacMillan. https://t.co/I5Xi0jDPug

Today is Arrivals Day! Welcome to the 66th LIYSF 2025 🎉 We are excited to welcome students from 90 cultures to Imperial College London as this year’s Forum begins. Let the science journey begin 🚀 #LIYSF2025 #ArrivalsDay #STEM #ImperialCollege #London

Last day until the 66th LIYSF begins! 🎉 We’re honored to open with Nobel Laureate Prof Sir David MacMillan (Princeton) and Prof Ian Walmsley (Imperal College), leaders in chemistry & quantum science. Their vision embodies the global spirit of LIYSF.

We’re proud to have Prof Clare Elwell as Academic President of #LIYSF2025. A pioneering medical #physicist at UCL, she leads brain imaging research tackling global health challenges. From LIYSF participant in 1984 to inspiring future STEM leaders today. #WomenInSTEM #Neuroscience

We’re excited to welcome Professor Freya Blekman to #LIYSF2025. A world-leading particle physicist, she leads cutting-edge research at CERN on top quark physics and the search for new phenomena. #STEM #CERN #WomenInSTEM