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

Leaving It Up to Chance: How Cells Make Decisions

03/18/14 Cells make decisions that turn out to be random. Jané Kondev explains the implications of that surprising discovery.

Microbial Ecosystems: The Foundation of Life on Earth

06/01/23 Although all life depends on microbial ecosystems, there are many unknowns about the mechanisms by which these ecosystems develop and evolve in diverse environments. Otto Cordero

What Marine Sediments Reveal about Climate Change

06/03/14 A major authority on ocean sediments discusses what these deposits tell us about past and present climate. Richard Murray

Making a Global Plan for Climate Change

03/29/16 An expert on climate change policy explains the coming global challege and the role of public commitment. Henrik Selin

Weighing In on Metabolism

09/13/22 The increasing rate of obesity is a public health issue. Nutritionists analyze the cause and the solution. Susan Roberts

Probing the Causes of Cancer

02/22/21 The dual role of socioeconomic background and a family of (BET) proteins in the disproportionate occurrence of certain cancers. Gerald V. Denis

Power Plants and the Freshwater Crisis

06/25/13 The cooling systems of power plants use an enormous percentage of our diminishing freshwater supply. What's the solution? John Rogers

Replacing Plastic: The Merits of Shrilk

02/04/14 Materials scientist Javier Fernandez discusses the "plastisphere" crisis and how it motivated the development of biodegradable "shrilk."

Today's Featured Contributors

Featured Author

Eric Chaisson, Ph.D.

An interdisciplinary approach to the evolution of complexity in the cosmos -from subatomic particles to life

Featured Guest

Robinson Fulweiler, Ph.D.

An expert on the physical-chemical-biological components of wetland and salt marshes ecosystems.