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

Enigmas of Life: Getting It Started and Becoming Complex

08/09/16 An investigation of the two major questions about the origin of life, and their relevance in search for life elsewhere in the universe. Zachary Adam

Art and Nature: A Special Exhibit

08/30/18 Boston-area artists Susan Heideman and Michelle Lougee discuss their fascinating exhibit, "The Life of Forms."

Why the Earth Needs Its Oceans

03/18/19 An explanation of the complex relationship between the oceans and atmosphere, and how that balance makes the planet function. Amala Mahadevan

New Paradigms of Conservation

07/12/16 How a combination of innovative conservation techniques and involvement of local villages is combating damage in the Himalayas. Kamal Bawa

What Ails American Healthcare?

08/30/22 The U.S. healthcare system ranks last among 11 high-income countries. We spend more than other nations on medical care, but the service is seriously inadequate. What can be done? Melissa Gariddo

The Electric Eye: A Visual Prosthesis

10/26/10 A major breakthrough in the restoration of vision. Shawn Kelly

The Great Potential of Offshore WInd Farms

05/07/19 How effective are offshore wind farms in nations that have developed them, and why has the US been especially slow to adapt such an important energy resource? Andrew Myers

The D-Lab at MIT: Engineering by and for Developing Nations

11/01/11 An award-winning MIT lab engineers practical necessities for impoverished nations. Amy Smith

Today's Featured Contributors

Featured Author

Jeff Deyette

An essential resource for those who are committed to a better, healthier environment, and excellent tips for significantly reducing individual, household and workplace energy costs.

Featured Guest

Irene Porro, PhD

A veteran developer of science outreach programs for youth