Looking back over his long career, architect Moshe Safdie delves into four of his design projects and explains how he labored to make each one truly unique for its site and its users.

In 1967, Moshe Safdie reimagined the monolithic apartment building, creating “Habitat ’67,” which gave each unit an unprecedented sense of openness. Nearly 50 years later, he believes the need for this type of building is greater than ever. In this short talk, Safdie surveys a range of projects that do away with the high-rise and let light perme...

Nathaniel Kahn shares clips from his documentary "My Architect," about his quest to understand his father, the legendary architect Louis Kahn. It's a film with meaning to anyone who seeks to understand the relationship between art and love.

MIT Media Lab founder Nicholas Negroponte takes you on a journey through the last 30 years of tech. The consummate predictor highlights interfaces and innovations he foresaw in the 1970s and 1980s that were scoffed at then but are ubiquitous today. And he leaves you with one last (absurd? brilliant?) prediction for the coming 30 years.

Philosopher-comedian Emily Levine talks (hilariously) about science, math, society and the way everything connects. She's a brilliant trickster, poking holes in our fixed ideas and bringing hidden truths to light. Settle in and let her ping your brain.