Using Gravitational Lensing to Detect Dark Matter

01/14/25 Dark matter accounts for some 27 percent of the universe but is invisible. One promising technique to reveal it is the analysis of gravitational lensing that very occasionally aligns galaxy clusters. Jacqueline McCleary

They Didn't Believe It! Dark Matter

12/02/19 Most of the matter in the universe is invisible --and scientists still do not know what it is. This is a brief story of how the idea of dark matter was very slowly accepted.

Mushrooms and Other Fungi: Their Role in Nature

10/05/17 A tour of the fascinating world of mushrooms. This is way beyond the supermarket. David Hibbett

Nectar, Pollen and the Health of Bees

07/10/19 Nectar and pollen are sources of food for bees, but some of these sources may also help to reduce certain pathogens. Lynn Adler

Industrial Agriculture and the Humble Strawberry

02/20/18 The inherent conflict between profit from one of California's major crops and the impact on environment and health. Julie Guthman

Troubled Waters: Red Tides and Other Algae Blooms

12/12/23 Belmont Media Center. Runoffs from agriculture, industries and other sources accumulate in many waters and cause harmful algae blooms (HABs), including the red tides that are increasingly common. Algal blooms are now occurring in every coastal state in the U.S., and are a major threat to marine organisms --and people. Patricia Glibert

Environmental Toxins and the Brain

10/2014 Many common toxins in the environment significantly harm the fetal brain. Philippe Grandjean

Unusual Brain Adaptations

05/30/23 Language acquisition despite the absence of a critical brain region for language demonstrates the remarkable adaptability of the human brain. Evelina Fedorenko

The D-Lab at MIT: The People's Engineering Team

05/29/13 The award-winning D-Lab's unique approach to improving lives in the poorest nations. Amy Smith

Fracking: The Facts and Issues

11/12/13 A panel of experts presents the known scientific, health and environmental facts about fracking. Phartiyal_Pallavi, Aaron Bernstein, William Moomaw, Andrew Rosenberg

Today's Featured Contributors

Featured Author

Sharon Levy

A well-known natural history writer's analysis of the Ice-Age extinctions in America

Featured Guest

Scott Kenyon, Ph.D.

A very engaging authority on planet formation, binary star systems, and runaway stars