The Formation of Stars and Planets

09/15/15 How stars and their planetary systems form, and what the New Horizons mission to Pluto will reveal about the "fossil record" of our own solar system. Scott J. Kenyon

Explaining and Measuring the Expanding Universe

08/28/20 The universe is expanding at an incredible rate, and dark energy is thought to be the cause. Astronomers observe and measure this mystery with very sophisticated equipment. Paul Martini

The Human Genome Project

09/20/11 The challenge for genomic studies today is how to manage the vast collection of data. John Quackenbush

Kingdom of Play

05/06/24 WGBH Forum Network webinar. All sorts of animals engage in imaginative types of play. Is this behavior just creature-entertainment, or is it important for development and bonding? David Toomey

How Plankton Blooms Absorb CO2

02/24/15 What causes the massive plankton blooms that are necessary for stabilizing Earth's CO2 balance, and how does the process work? Amala Mahadevan

Clouds, Chemistry, and Climate Change: Why Our Current Climate Is What It Is

09/12/17 Clouds are an essential component of the dynamics of climate change. Here's how that works. Daniel Cziczo

Who Funds the FDA - And Why Does It Matter?

06/07/22 An increasing percentage of the Food and Drug Agency's funding comes from the pharmaceutical industry. How does this arrangement affect the agency in general and the approval of new medications in particular? Aaron Kesselheim

Harnessing the Bioelectric Potential of Cells for Regeneration

02/21/12 Can bioelectric signals in cells be exploited for regeneration of limbs and tissue? This is an important area of medical research. Michael Levin

Power Plants and the Freshwater Crisis

06/25/13 The cooling systems of power plants use an enormous percentage of our diminishing freshwater supply. What's the solution? John Rogers

Replacing Plastic: The Merits of Shrilk

02/04/14 Materials scientist Javier Fernandez discusses the "plastisphere" crisis and how it motivated the development of biodegradable "shrilk."

Today's Featured Contributors

Featured Author

Sharon Levy

A well-known natural history writer's analysis of the Ice-Age extinctions in America

Featured Guest

Mick Follows, PhD

An expert on the crucial role of ocean plankton in maintaining the Earth's CO2 balance