The Dark Age of the Universe

05/12/15 What scientists are learning about the "dark ages" of the early universe -before light emerged. Lincoln Greenhill

Great Expectations: The Large Hadron Collider 2015

11/05/14 When the LHC starts up again in 2015, what will scientists be looking for? .... Tulika Bose

Using Genetics to Trace Human History

07/08/16 An explanation of how modern genetics analysis confirms ancient human migrations, such as the Indo-Europeans. Nick Patterson

Cell Architecture: Self-Organization and Scaling

10/08/19 A cell's size and the proportions of its components are strictly determined, but where do the rules come from? Scientists are still trying to figure that out. Jané Kondev

Take Action! How We Can Save the Environment

06/21/18 Harvard's Law School Environmental Clinic shows us how we can use the law to save our environment. Wendy B. Jacobs

Climate Change and Ocean Circulation Systems

09/28/20 Ocean currents transport heat and cold around the globe, affecting weather and climate, and delivering nutrients to marine life. How does the accelerating climate change impact this vital system? Amy Bower

Psychotropic Drugs and Children

06/15/10 The real dangers of psychotropic drugs that are routinely prescribed for children. Robert Whitaker

Weighing In on Metabolism

09/13/22 The increasing rate of obesity is a public health issue. Nutritionists analyze the cause and the solution. Susan Roberts

Harnassing Geothermal Energy

10/11/22 Geothermal energy is an ideal source of renewable energy, but it can be hard to access. Here's a plan. Paul Woskov

The Urban Future: On Earth...and Elsewhere

12/05/23 GBH Forum Network webinar (noon). By 2050, some 75 percent of the world population will live in cities. Future urban design will emphasize not only innovative architecture and engineering, but optimal environmental and social aspects of city dwelling also. The urban future might also include settlements beyond Earth. Justin Hollander

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

Lukas Meier, Ph.D.

A specialist in ethical issues related to diverse fields, including medicine and technologies such as AI