Rosaly Lopes explains why it’s worth exploring the huge variety of volcanoes on other worlds.

Rosaly Lopes on Volcanoes Throughout the Solar System

Rosaly Lopes explains why it’s worth exploring the huge variety of volcanoes on other worlds.


Explore All Videos

Scientist Interviews

Amie Wilkinson on the Mathematics of Change

The mathematician Amie Wilkinson explains how dynamics lets mathematicians explore the fundamentals of change.

Scientist Interviews

Edward O. Wilson on the Evolution of Social Behaviors

Edward O. Wilson, professor emeritus at Harvard University, is the influential naturalist and evolutionary theorist who introduced the concept of “sociobiology,” as well as one of the world’s leading experts on ants. Here, he explains the relevance of evolved insect behaviors to human nature.

In Theory

What Are Feynman Diagrams?

The brilliant physicist Richard Feynman devised a system of line drawings that simplified calculations of particle interactions and helped rescue the field of quantum electrodynamics.

Scientist Interviews

Jim Gunn on Building Astronomical Instruments

The lauded astronomer Jim Gunn explains how a new spectrograph he is building will advance astronomy.

Scientist Interviews

Ecologist Jennifer Dunne on Humans’ Place in Food Webs

Jennifer Dunne of the Santa Fe Institute explains how reconstructions of food webs in past ecosystems help ecologists understand both the unusual niche of humans and new clues to a more sustainable civilization.

Scientist Interviews

CRISPR Pioneer Jennifer Doudna on Its Research Promise

Jennifer Doudna, one of the coinventors of CRISPR technology, discusses how her work on bacterial defenses against viruses helped lead to a discovery with a revolutionary impact on biological research.

Scientist Interviews

Priyamvada Natarajan: How Black Holes Shape Galaxies

Priyamvada Natarajan explains the role of supermassive black holes in the structure and evolution of the universe.

In Theory

What Is Turbulence?

Physicists use the Navier-Stokes equations to describe fluid flows, taking into account viscosity, velocity, pressure and density. But because of turbulence in fluids, proving that the equations always make sense is one of the hardest problems in physics and mathematics.

Scientist Interviews

Carolina Araujo on Supporting Women in Mathematics

Carolina Araujo describes the effort to build a network of women mathematicians in Brazil.