History of the Universe in One Hour

11/13/11 From the Big Bang to parallel universes... Max Tegmark

The Tumultuous Milky Way and Its Satellite Galaxies

08/23/11 How do spiral galaxies like our Milky Way form? Elena D'Onghia

Ancient Environmental Shifts and Evolution

05/03/21 A warming climate led to the emergence of grasslands, which led to major evolutionary changes. Aly Baumgartner

A Spotlight on the Impact of the Wildlife Trade

07/14/20 The persistence of the international wildlife trade is destructive for wildlife, ecosystems, environment, and human health. Maria Ivanova and Candace Famiglietti

The Science --and Oft-Ignored Side Effects --of Geoengineering

04/24/18 An important critique of geoengineering, including cautions about misinformation. Daniel Cziczo

Accelerated Climate Change: Can Nature Adapt?

10/09/12 Changes in habitat and breeding patterns due to rapid climate change.......... Richard Primack

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.

Public Acceptance of Wind Energy in Massachusetts: Factors, Implications

05/14/13 Why public acceptance of wind power can differ from one community to another. Maria Petrova

Cooler Smarter

06/28/12 A co-author of the new book from the Union of Concerned Scientists describes how individuals can substantially reduce their carbon footprints while creating a healthy lifestyle...Jeff Deyette

Today's Featured Contributors

Featured Author

Priyamvada Natarajan, Ph.D.

A splendid discussion of the initial resistance to --and ultimate acceptance of—many fundamental concepts of modern astrophysics/astronomy

Featured Guest

Gautam Dantas, Ph.D.

A pioneer in the effort to overcome antibiotic resistance