Einstein's Relativity

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

Dark Matter in the Universe

09/28/10 Some mysterious, invisible stuff is holding galaxies together. Peter Fisher

Why AI Can Seem Sentient

05/10/23 Although technologies such as ChatBots are not conscious, their sophisticated communications can seem human enough to fool people. That raises concerns. Nir Eisikovits

"Shocking" News from Deep-Sea Hydrothermal Vents

07/10/12 In probably the most extreme environmment on Earth, organisms are thriving. Peter Girguis explains how.....

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

How Glaciers Affect Earth and Climate

05/16/17 An important explanation of the relationship between glacial cycles and climate change. Jack Ridge

Herbal Medicines Decoded: How Plants That Soothe and Cure Do It

09/10/19 From ancient traditions to modern pharmaceutical labs, certain plants have been valued for their therapeutic qualities. The Weng Lab analyzes the unique chemistry --and evolution-- of such plants. Jing-Ke Weng

Social Media and Mental Health

02/21/23 There is increasing concern about the impact of social media on mental health, especially among young people. What causes this problem and how should it be addressed? Jacqueline Sperling

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

Walter Willett, M.D.,

First-rate advice from the most cited nutritionist internationally: a guide to improving health through a good diet

Featured Guest

Tamar Flash, Ph.D.

An international leader in computational neuroscience and the brain-map of motion