Dark Matter and Other Cosmic Mysteries

02/15/18 New insights about dark matter, primordial black holes, and gravitational waves. Julian B. Muñoz

What's Happening at the Large Hadron Collider

12/11/18 The 2018 update on the work at the Large Hadron Collider. Markus Klute

Infant Fossil Teeth: Clues to Ancient Human Development

11/13/13 Ancient infant teeth reveal the importance of weaning patterns in human evolution. Tanya Smith

The Evolution of Photosynthesis

10/19/10 How photosynthesis --and life-- emerged in Earth's ancient chemical environment. Tanja Bosak and Alexander Petroff

Reading the Clouds to Understand Climate Change

10/22/13 Clouds and the particles they contain are essential information for climate science. Here's how scientists gather and decipher that information............... Daniel Cziczo

Clive Hamilton Talks about the Geoengineering Issue

10/28/13 A major ethicist and author talks about the geoengineering issue and his new book on that topic, Earthmasters

Frozen in Time: Preserving for Later Revival

01/09/24 GBH Forum Network Webinar. Innovations in bio-engineering are revolutionizing medicine. Preservation of tissues, organs, sperm/eggs can be preserved in several different ways for future use. It's a real challenge, but the methods are improving quickly. Mehmet Toner.

Good Diet, Good Health

10/08/21 The typical American diet, heavy on processed food and excess sugar, is associated with high levels of diabetes 2, heart disease and other conditions. What is a genuinely good diet and how does it promote health? Walter Willett

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

Power Plants and the Freshwater Crisis

06/25/13 The cooling systems of power plants use an enormous percentage of our diminishing freshwater supply. What's the solution? John Rogers

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

Kristen DeAngelis, Ph.D.

A microbiologist who specializes in the complex ecosystems of soil microbes.