
Explore eight critical threats to human existence on Earth, from pandemics to solar flares, in this sobering TEDx talk by Stephen Petranek on potential global catastrophes.

Explore infectious disease modeling with Dr. Rosalind Eggo as she examines past pandemics, explains key concepts, and discusses the potential for future outbreaks using science and humor.

Explore the rise of selflessness and small acts of kindness in a post-pandemic world, as Richard Lui shares insights from his experience as a news anchor and caregiver during COVID-19.

Van Jones and Ashley Bell discuss collaborating across deep divides to address global challenges. Learn strategies for effective dialogue and cooperation with those holding opposing views to drive transformational change.

In this deeply personal talk, Michele Lima shares the heartbreak of losing her son Paulie to drowsy driving and reveals why fatigue behind the wheel is a silent, often-overlooked threat. She challenges us to wake up, to protect ourselves and our loved ones, through awareness, action, and commitment

This talk reframes epidemics not only as moments of tragedy, but as powerful forces that quietly reshape the world we live in. Moving from the Black Death to COVID-19, the speaker reveals how epidemics have transformed everyday life, culture, technology, health systems, and economies—often in ways w