The Core of the Moon

05/09/12 Did the ancient moon have a magnetic field like Earth's? And why do scientists need to know? Benjamin Weiss

Gamma Ray Bursts

01/26/16 An explanation of the most spectacular explosions in the universe, and their possible impact on life. Raul Jimenez

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

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

Virus vs Host: An Enduring Battle

02/14/23 Viruses must appropriate the DNA/RNA of living cells in order to survive. The battle between viruses and cell defenses is a classic example of the epic struggles that characterize Nature. John Connor

Genetics and Social Responsibility

10/07/14 A distinguished leader in genetic research discusses his dual commitment to science and ethics. Jon Beckwith

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

Robert Whitaker

One of the best sources on overprescribing and the serious long-range effects of many psychotropic drugs

Featured Guest

Robert Howarth, Ph..D.

This internatonally recognized biogeochemist and ecosystem expert has contributed significantly to science --and to the environmental cause.