Light from Darkness? Searching for Dark Matter in the Sky

08/15/19 Dark matter is believed to comprise five-sixths of the matter in the universe, but cannot be "seen." Now, technical innovations offer closer observation and maybe new physics. Tracy Slatyer

Einstein's Relativity

11/22/10 Einstein completely changed our understanding of the universe. Here's how. Tereasa Brainerd

Evolution and Environmental Toxins

04/22/15 A toxicologist explains why some organisms thrive in an environment that endangers most species. Emily Monosson

Great Adaptations

02/08/22 Some species have an exceptional ability to adapt to extreme environmental conditions, an advantage that endowed by unique features of their DNA. Certain Antarctic marine creatures provide hope for climate change adaptations. H. WiIliam Detrich

What to Know about Geoengineering

04/22/16 The excess CO2 in Earth's atmosphere will remain for hundreds of years. An atmospheric scientist explains the need to reduce that excess as we shift to renewable energy. Daniel Cziczo

Mathematical Prediction of Sixth Mass Extinction

07/16/19 The destabilization of Earth's complex carbon cycle is associated with past mass extinctions. This mathematical model predicts a coming sixth mass extinction. Daniel Rothman

Viruses: Threats in a Tiny Package

11/06/14 Viral infections that were once obscure are potentially global threats in a highly linked world. New tools are being deployed to identify and block these diseases. John Connor

Medicating ADHD: Diagnosis and the Long-Term Effects of the Medications

03/20/13 The potential danger of long-term use of ADHD drugs. Robert Whitaker

Innovations in Clean Water Technology

12/20/11 Desalination offers a solution to the water shortage problem... John Lienhard V

Designing Sustainable Urban Development

11/25/19 How the world-class Sustainable Design Lab at MIT combines architecture, engineering, physics --and creative genius-- to design the optimal urban environment. Christoph Reinhart

Today's Featured Contributors

Featured Author

Philip Lieberman, Ph.D.

A distinguished scientist who has contributed significantly to our understanding of the evolution of cognition, communication and language

Featured Guest

William Moomaw, Ph.D.

A distinguished scientist who has worked for decades to implement sound environment and climate policies