Odd Couple: UV Radiation and the Origin of Life

11/28/17 A very exciting investigation of the possible role of ultraviolet radiation in the emergence of life --on Earth and elsewhere. Sukrit Ranjan

Living in Space: Artificial Gravity and Bioastronautics

01/04/21 The human body requires a gravity environment. So how do aerospace engineers plan for the colonization of space? Developing artificial gravity is a major objective. Ana Diaz Artiles

Scale-Free Complex Networks: Albert-László Barabási, Ph.D.

08/05/13 A visit to the Barabási Lab at Northeastern University to learn how scale-free complex networks affect scientific perspectives

Conservation Lessons from Ice-Age Extinctions

04/26/11 Was there a human factor in the Ice Age extinctions of large mammals? ............ Sharon Levy

Eye-to-Eye with Climate Change in the Ocean

02/15/11 Saving the oceans is an urgent matter... Les Kaufman

Corporate Science and Genetically Modified Foods

04/15/15 A leading expert and author on the issue of genetically modified foods explains the corporate resistance to labeling GM foods. Sheldon Krimsky

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

Environmental Contaminants and Autism

07/23/13 Determining the relationship between environmental contaminants and the global increase in autism. Marc Weisskopf

The Push for Renewable Energy

06/26/16 An author-activist urges public engagement to ensure the transition to renewable energy. Philip Warburg

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

Today's Featured Contributors

Featured Author

Julie Guthman, Ph.D.

A prize-winning author's books on Big Agriculture

Featured Guest

Meet Tanya Smith, PhD

An expert on reconstructing individual histories through fossil teeth