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.