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.

The Dark Age of the Universe

05/12/15 What scientists are learning about the "dark ages" of the early universe -before light emerged. Lincoln Greenhill

Conservation Lessons from Ice-Age Extinctions

04/26/11 Was there a human factor in the Ice Age extinctions of large mammals? ............ Sharon Levy

Finding Their Way: How Migratory Creatures Get Where They’re Going

04/19/22 Because of a special biological feature called magnetoreception, migratory birds and other creatures are able to navigate enormous distances without getting lost. How does this capacity to “read” Earth’s magnetic field work, and is that the only map to aid migration? Charles Walcott

The Battle for the Future of Food

06/11/24 WGBH Forum Network webinar. Industrial agriculture (“Big Ag”) is a major contributor to global warming, environmental destruction, and disruption of good farming traditions. There is a better way to feed the world without destroying the planet. Tim Wise

Communicating Climate Change Through Science and Technology

04/25/17 Some ways to show how marine organisms actually experience climate change. Brian Helmuth

Let's Get Serious: Fossil Fuel Pollution's Impact on Health and Mortality Rate

10/29/24 A study by HSPH epidemiologist Joel Schwartz and British colleagues has revealed a much greater impact of fossil fuel pollution on health and on worldwide mortality rates than previously thought. Joel Schwartz

Beyond the Gene: Epigenetics Revealed

06/12/12 ew understanding of the complex relationship between genes and the epigenome. Mary Gehring

From Sea-Sponge to Skyscraper: Bioinspired Engineering

11/16/20 The structure of a humble marine organism inspires mechanical engineers and architects in the design of skyscrapers, massive bridges and other challenging projects. Matheus Fernandes

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

Today's Featured Contributors

Featured Author

David Mindell, Ph.D.

A leading robotics engineer and historian explains the role of robots in research and other fields today

Featured Guest

Silas Laycock, Ph.D.

An astronomer who investigates black holes, pulsars and other major areas of modern astronomy.