Reconstructing the Inaccessible Cosmic Dawn

12/06/22 The only way to understand the emergence of the earliest structures in the universe is through complex computer simulations. Here's how they are created and tested. Mark Vogelsberger

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

Antarctic Fishes: Models for Climate Change and Human Disease

07/09/13 the unique "antifreeze" blood and skeletal mutations of the Antarctic Icefishes provide insights into both climate change adaptations and human disease. H. William Detrich, III

Infinitely Small to Infinitely Great: The Search for Microbial Life on Other Worlds

04/10/18 A collaboration of ocean and space scientists that will advance our understanding of exo-worlds, such as Enceladus and Europa. Peter Girguis

Clouds, Chemistry, and Climate Change: Why Our Current Climate Is What It Is

09/12/17 Clouds are an essential component of the dynamics of climate change. Here's how that works. Daniel Cziczo

Coastal Wetlands and Salt Marshes

01-17-23 Coastal wetlands and salt marshes absorb huge amounts of CO2. Scientists are working to understand this complex process when such ecosystems are especially stressed by climate change. Robinson Fulweiler

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

They Didn't Believe It! The Germ Theory of Disease

02/03/20 Despite great medical accomplishments in ancient civilizations, then medical advances from the 17th century on, the connection between germs and disease was unknown.

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

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

Today's Featured Contributors

Featured Author

Stuart B. Levy, M.D.

An international expert on the mechanisms of antibiotics resistance and a leader in creating public awareness

Featured Guest

Christoph Reinhart, Ph.D.,

An international leader in urban design, emphasis on healthy and sustainable environment