The Charles River Floating Wetland explores an ecological intervention to reduce harmful algal blooms in the river, which threaten the river’s health and limit the feasibility of swimming.

Harvard's Matthew Bunn on the factors driving the risk of nuclear war — and how we shift them toward greater safety, for ourselves and for future generations.

You're invited to our annual picnic at the Cambridge home of Danny Hillis and Taylor Milsal — Sunday, September 13 02026, 2pm to 5pm — for conversation, fun, and big ideas.

Mycologist David Hibbett returns to Boston to celebrate The Complete Fungi — a richly illustrated natural history of a kingdom of 155,000+ species — in conversation with author and naturalist Maria Pinto.

The Health Innovation and Long Now communities of Boston get together with Jason Crawford, founder of the Roots of Progress Institute, to discuss the future of health progress and the very long view of health.

A rallying cry against environmental amnesia: Jason Dove Mark talks with Julia Sklar about his new book, The Earth Said Remember Me.

Co-sponsored with the MIT Museum: a screening of the documentary Elders of Time and a conversation with artist Jonathon Keats on clocks calibrated by bristlecone pine trees.

Why are things the way they are today? How did they come to be? How are they made?

AI and existential risk: live podcast recording of Nir Eisikovits and James Hughes’ popular podcast, Prosthetic Gods.

Mycologist David Hibbett will draw on his experiences as a fungal evolutionary biologist to explain the 1.5 billion-year development of fungi (mushrooms), and their role in the evolution of Earth throughout that period and into the future.

Take a road trip with new friends to find and document New England’s oldest living thing for science.

From the world-renowned geobiologist and bestselling author of A Brief History of Earth, the epic story of a planetary conversation four billion years in the making.