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

Earth Life and Weird Life

12/17/15 The compelling search for entirely new forms of life elsewhere in our solar system and the universe. David Toomey

Scale-Free Complex Networks: Albert-László Barabási, Ph.D.

08/05/13 A visit to the Barabási Lab at Northeastern University to learn how scale-free complex networks affect scientific perspectives

Coastal Ecosystems and Climate Change

12/17/14 An international expert explains how coastal ecosystems function and how they are adjusting to current stresses. Brian Helmuth

What Marine Sediments Reveal about Climate Change

06/03/14 A major authority on ocean sediments discusses what these deposits tell us about past and present climate. Richard Murray

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

The D-Lab at MIT: The People's Engineering Team

05/29/13 The award-winning D-Lab's unique approach to improving lives in the poorest nations. Amy Smith

Fracking: The Facts and Issues

11/12/13 A panel of experts presents the known scientific, health and environmental facts about fracking. Phartiyal_Pallavi, Aaron Bernstein, William Moomaw, Andrew Rosenberg

Today's Featured Contributors

Featured Author

Justin Hollander, Ph.D.

A handbook for public officials and the general public on contamination of land and water -and how some areas can be revived

Featured Guest

Mara Prentiss, Ph.D.

A leading physicist explains how to implement renewable energy in the US --now!