Astrophysics Knowns and Unknowns

12/20/16 A guide to fundamentals of astrophyics at a time of many exciting --and sometimes puzzling-- discoveries. Priyamvada Natarajan

The Grand Geometry of Nature

09/18/12 As these mathematicians explain, with numerous examples, the deepest truths of Nature are mathematical. Tom Mrowka and Gigliola Staffilani

Why AI Can Seem Sentient

05/10/23 Although technologies such as ChatBots are not conscious, their sophisticated communications can seem human enough to fool people. That raises concerns. Nir Eisikovits

"Shocking" News from Deep-Sea Hydrothermal Vents

07/10/12 In probably the most extreme environmment on Earth, organisms are thriving. Peter Girguis explains how.....

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

Making a Global Plan for Climate Change

03/29/16 An expert on climate change policy explains the coming global challege and the role of public commitment. Henrik Selin

Innovative Solutions to Antibiotic Resistance

03/26/19 New approaches and technologies offer fresh insights to antibiotic resistance, and real solutions. Gautam Dantas

Psychiatric Drugs: Why They Often Fail Us Over Long Term

04/23/19 More than one in five Americans now takes a psychiatric medication. But long-term results are poor. Robert Whitaker, author of several books on this subject, discusses the problems of these meds and describes more effective initiatives.

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

Clive Hamilton, Ph.D.

An international spokesman for the environment, for alternative energy to replace fossil fuels, and a rational public policy

Featured Guest

Andrew Knoll, Ph.D.

An international expert on the interdependence of the evolution of early life and the young Earth