Probing Exoplanet Atmospheres

05/08/17 A description of exoplanet atmospheres and how scientists attempt to analyze these alien atmospheres. Alexandria Johnson Alexandria Johnson

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

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

Conservation Lessons from Ice-Age Extinctions

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

Climate Change: How to Think Globally & Act Locally

02/12/18 Today's global citizens can and must engage in the struggle to address climate change. Dan Cziczo

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

Psychotropic Drugs and Children

06/15/10 The real dangers of psychotropic drugs that are routinely prescribed for children. Robert Whitaker

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

Innovations for the People: The GEAR Lab at MIT

10/19/20 The Global Engineering and Research (GEAR) Lab produces cost-saving, practical innovations that make a real difference for developing nations: home-use desalination, drip irrigation -and many other solutions. Amos Winter

From Sea-Sponge to Skyscraper: Bioinspired Engineering

11/16/20 The structure of a humble marine organism inspires mechanical engineers and architects in the design of skyscrapers, massive bridges and other challenging projects. Matheus Fernandes

Today's Featured Contributors

Featured Author

Kamaljit S. Bawa, Ph.D.

A major textbook on conservation biology and a beautiful tribute to the ecology of the Himalayas

Featured Guest

Beth Orcutt

A specialist in the important role of deep-sea microbial ecosystems that are the foundation for marine life. These ecosystems may be disrupted by deep-sea mining and sub-seafloor carbon sequestration.