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

Science Speculations: Time Travel

03/15/18 How realistic is the time-travel concept and how would time machines work? David Toomey

How Ecosystems Work: from the Smallest to the Largest Scales

12/14/20 Ecological systems are the archetypal complex systems. And regardless of scale and diversity --from microbial systems to rain forests—they share common patterns and dynamics. James O'Dwyer

All about Jellyfish

08/10/20 Get the real facts about those about lion's mane jellyfish near Massachusetts beaches, but get the real science about jellyfish in general: their amazing biology and their role in marine ecosystems. Laurence Madin

The Vital Role of Seagrass in Marine Ecosystems

01/10/17 A fascinating look at the vital role of seagrass in marine ecosystems............ Barnabas Daru

The Battle for the Future of Food

06/11/24 WGBH Forum Network webinar. Industrial agriculture (“Big Ag”) is a major contributor to global warming, environmental destruction, and disruption of good farming traditions. There is a better way to feed the world without destroying the planet. Tim Wise

Conflicting Science on the Safety of Genetically Modified Food

06/12/14 Many nations prohibit GMO foods, but the US doesn't even require labeling. What can science tell us about GMOs? Sheldon Krimsky

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

Innovations for the People: The GEAR Lab at MIT

10/19/20 The Global Engineering and Research (GEAR) Lab produces cost-saving, practical innovations that make a real difference for developing nations: home-use desalination, drip irrigation -and many other solutions. Amos Winter

From Sea-Sponge to Skyscraper: Bioinspired Engineering

11/16/20 The structure of a humble marine organism inspires mechanical engineers and architects in the design of skyscrapers, massive bridges and other challenging projects. Matheus Fernandes

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

Justin Hollander, PhD, AICP

A leader in modern urban planning and in research on the issue of brownfields (contaminated land).