The Half Life of Facts: Why Everything We Know has an Expiration Date
Recorded April 25, 2013, at the Linda Hall Library Samuel Arbesman, PhD, Writer and Scientist in Residence, Lux Capital Facts change all the time. Smoking has gone from doctor recommended to deadly. We used to think that Pluto was a planet. In short, what we know about the world is constantly changing. The Half-life of Facts is a riveting journey into the counterintuitive fabric of knowledge, helping us find new ways to measure the world while accepting the limits of how much we can know with certainty.

▶︎
The Paradoxes of Time Travel

▶︎
The Neuroscience of Consciousness – with Anil Seth

▶︎
The Magic of Code: How Digital Language Built Our Modern World—and Shapes Our Future

▶︎
Ancient Human Species We Once Co-Existed With

▶︎
A Neurosurgeon’s Proof of an Immortal Soul | Dr. Michael Egnor

▶︎
The Alchemy of Knowledge: Science, Disruption, and the Future of Understanding

▶︎
Harvard Professor Explains The Rules of Writing — Steven Pinker

▶︎
The Science of Nightmares & Trauma, the Intersecting Web

▶︎
The Passage of Time and the Meaning of Life | Sean Carroll

▶︎
Twelve Trees: The Deep Roots of Our Future

▶︎
Steven Spielberg on the Real Life Evidence That Inspired 'Disclosure Day'

▶︎
Stephen Meyer, John Lennox, and James Tour: Three Scientists on the Origins of Everything

▶︎
Sean Carroll | The Passage of Time & the Meaning of Life

▶︎
What Creates Consciousness? | World Science Festival

▶︎
William Dunham, A tribute to Euler

▶︎
The most important lesson from 83,000 brain scans | Daniel Amen | TEDxOrangeCoast

▶︎
The Science of Shakespeare: An Evening with Dan Falk

▶︎
Quantum Information Panpsychism Explained | Federico Faggin

▶︎
2026 Ewan Lecture by Prof. Geoffrey Hinton: "Living with Alien Beings"

▶︎
