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

The Mystery of Animal Migration

09/17/24 How migratory creatures navigate so accurately to their seasonal destinations, sometimes thousands of miles away, is still often a mystery. What do scientists know, and what are they still trying to discover? Charles Walcott

Sustaining Life: Biodiversity and Human Health

06/07/11 Aaron Bernstein, M.D, MPH and author explains how the unprecedented loss of biodiversity impacts human health.

Why We Need an International Plan on Climate Change

07/28/17 The long struggle to commit the international community to prepare for the worldwide climate crisis. Henrik Selin

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

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

A Potential Solution to the Methane Problem

03/29/22 An innovation attracting great interest: an abundant, inexpensive clay might be used to remove the greenhouse gas methane from the atmosphere. Desiree Plata

Carbon Capture and Storage Will Not Reduce Global Warming

02/09/24 GBH Forum Network webinar (noon ET) The extreme level of atmospheric CO2 is well beyond a “capture and storage/sequestration” solution, yet the hype persists that some clever extraction innovation will resolve the problem. Charles Harvey

Today's Featured Contributors

Featured Author

Lee McIntyre, Ph.D.

A philosopher and author who investigates the tension between scientific reasoning and anti-reason

Featured Guest

Tanya Smith, PhD

An expert on reconstructing individual histories through fossil teeth