Explainers
Carlo Rovelli: ‘Time Is an Illusion’
Carlo Rovelli discusses his research on time and his view that it should not appear in the quantum theory of gravity.
Read related article
Select Playlist
Explore All Videos
Francis Su: Math and the Good Life
Francis Su explains how mathematics can help a person to live well.
Francis Su: Math Is for Everybody
Francis Su discusses how the community of mathematicians tends to exclude certain people.
Marcus Feldman: In Search of Actions That Alter Evolution
Marcus Feldman explains how he models the effects of a cultural preference — in this case, a preference for sons over daughters in China.
Elena Aprile: In the Deep, a Drive to Find Dark Matter
Elena Aprile explains how she hunts for dark matter in the world’s largest underground laboratory.
Janet Conrad: On a Hunt for a Ghost of a Particle
Janet Conrad explains how sterile neutrinos might help physicists move past the Standard Model.
Erik Verlinde: The Case Against Dark Matter
Erik Verlinde describes how emergent gravity and dark energy can explain away dark matter.
Cynthia Dwork: How to Force Our Machines to Play Fair
Cynthia Dwork explains how to conduct a survey that asks people if they do embarrassing — or even illicit — things.
Richard Lenski: A Conductor of Evolution’s Subtle Symphony
Richard Lenski discusses how he has been surprised by evolution.
Michael Costanzo: Giant Genetic Map Reveals Life’s Hidden Links
Michael Costanzo, a biologist at the University of Toronto and a lead author on the new study, explains why it’s important to understand how genes interact.