Massive Galaxies: Where and How They Form

04/14/2014 The investigation of how super-galaxies form is expected to provide insight into other mysteries such as dark matter and dark energy. Arjun Dey

I Wonder Why? Magic, Mystery and Mathematics in the Mundane

01/14/21 Mathematics is the foundation of everything in Nature: structures, dynamics, processes. Understanding that foundation changes our perception of Nature. Lakshminarayanan Mahadevan

Human Language, Animal Communication

04/26/21 The evolution of the human language apparatus, comparison of human language and animal communication, and explanation of the Neanderthal language controversy. Philip Lieberman

Exploring the Dark Matter of the Microbial World

10/18/16 All life depends on a microbial foundation. So does development of new antibiotics. But 99 percent of microbes are unknown. Slava Epstein

Our Record-Breaking Global Heat

01/07/25 Why climate scientists are very concerned about the global heat trend, how they analyze it, and what must be done. Mathew Barlow & Jeffrey Basara

How Plankton Blooms Absorb CO2

02/24/15 What causes the massive plankton blooms that are necessary for stabilizing Earth's CO2 balance, and how does the process work? Amala Mahadevan

An Update on Those "Forever" Chemicals

10-17-23 WGBH Forum Network webinar PFAS, a group of chemicals added to many everyday products, became a concern years ago among medical researchers, but governmental agencies were slow to impose regulations. Philippe Grandjean

How Effective Are Vitamin D Supplements?

04/23/24 Promoted for years as a means to strengthen bones and lower risk of multiple diseases, improved studies by JoAnn Manson and others revealed that Vitamin D supplements were not very effective at all. Natural sources, including sunshine, are much better. It’s important to understand why. JoAnn Manson

How "Clean" Is Blue Hydrogen Energy?

01/11/22 Is the hype about blue hydrogen as a "clean" energy resource valid? A major investigation emphatically contradicts the "clean" claim. Robert Howarth

Innovations for the People: The GEAR Lab at MIT

10/19/20 The Global Engineering and Research (GEAR) Lab produces cost-saving, practical innovations that make a real difference for developing nations: home-use desalination, drip irrigation -and many other solutions. Amos Winter

Today's Featured Contributors

Featured Author

Richard Primack, Ph.D.

Professor Primack's innovative textbooks incorporate information relevant to specific regions where the texts are used

Featured Guest

Alán Aspuru-Guzik, Ph.D.

An innovative leader in the development of renewable energy