42 | Natalya Bailey on Navigating Earth Orbit and Beyond
The space age officially began in 1957 with the launch of the Sputnik 1 satellite. But recent years have seen the beginning of a boom in the number of objects orbiting Earth, as satellite tracking and...
15 Apr 201959min
41 | Steven Strogatz on Synchronization, Networks, and the Emergence of Complex Behavior
One of the most important insights in the history of science is the fact that complex behavior can arise from the undirected movements of small, simple systems. Despite the fact that we know this, we'...
8 Apr 20191h 14min
39 | Malcolm MacIver on Sensing, Consciousness, and Imagination
Consciousness has many aspects, from experience to wakefulness to self-awareness. One aspect is imagination: our minds can conjure up multiple hypothetical futures to help us decide which choices we s...
25 Mars 20191h 19min
38 | Alan Lightman on Transcendence, Science, and a Naturalist's Sense of Meaning
Let's say, for sake of argument, that you don't believe in God or the supernatural. Is there still a place for talking about transcendence, the sacred, and meaning in life? Some of the above, but not ...
18 Mars 20191h 16min
37 | Edward Watts on the End of the Roman Republic and Lessons for Democracy
When many of us think "Ancient Rome," we think of the Empire and the Caesars. But the Empire was preceded by the Roman Republic, which flourished for a full five centuries. Why, after such a long and ...
11 Mars 20191h 31min
36 | David Albert on Quantum Measurement and the Problems with Many-Worlds
Quantum mechanics is our best theory of how reality works at a fundamental level, yet physicists still can't agree on what the theory actually says. At the heart of the puzzle is the "measurement prob...
4 Mars 20191h 42min
35 | Jessica Yellin on The Changing Ways We Get Our News
Everything we think about the world outside our immediate senses is shaped by information brought to us by other sources. In the case of what's currently happening to the human race, we call that info...
25 Feb 20191h 8min
