Photo of Janna Levin

Janna Levin

Contributing Columnist

Latest Articles

Will We Ever Find Alien Civilizations?

July 9, 2026

Astronomer David Kipping discusses why claims of extraterrestrial life keep dissolving under scrutiny, why we need a more statistically grounded approach to searching for life beyond Earth, and why it’s rational to believe that we may be alone.

What Is the Positive Grassmannian and Why Does It Show Up Everywhere?

June 25, 2026

Lauren Williams tells 'The Joy of Why' how studying a fundamental object in algebraic combinatorics led to a career full of surprises.

What’s the Future of Gene Editing?

June 11, 2026

In the first episode of the new season of ‘The Joy of Why,’ Nobel Laureate Jennifer Doudna discusses how she discovered CRISPR’s genome-editing power, the breakthroughs and hurdles during its explosive growth, and what lies ahead for this groundbreaking technology.

Do Beautiful Birds Have an Evolutionary Advantage?

August 21, 2025

Richard Prum explains why he thinks feathers and vibrant traits in birds evolved not solely for survival, but also through aesthetic choice.

How Can Math Protect Our Data?

August 7, 2025

Mary Wootters discusses how error-correcting codes work, and how they are essential for reliable communication and storage.

Why Did The Universe Begin?

July 24, 2025

In this episode of The Joy of Why, Thomas Hertog discusses his collaboration with Stephen Hawking on a provocative theory arguing that the laws of physics evolved with the universe, and how this could have shaped a cosmos fit for life.

How Can Regional Models Advance Climate Science?

July 10, 2025

Elfatih Eltahir explains why we need more local and social data, like disease spread and population growth, to better predict and address climate-related challenges.

How Does Graph Theory Shape Our World?

June 26, 2025

Maria Chudnovsky reflects on her journey in graph theory, her groundbreaking solution to the long-standing perfect graph problem, and the unexpected ways this abstract field intersects with everyday life.

Does Form Really Shape Function?

June 12, 2025

From brain folds to insect architecture, L. Mahadevan explains how complex biological forms and behaviors emerge through the interplay of physical forces, environment and embodiment.