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

Formation and Diversity of Planetary Systems

11/08/21 Advanced technology reveals a super-abundance of planetary systems in the universe. And astronomers are investigating how these systems form as well as their amazing diversity. Joan Najita

Conservation Lessons from Ice-Age Extinctions

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

Finding Their Way: How Migratory Creatures Get Where They’re Going

04/19/22 Because of a special biological feature called magnetoreception, migratory birds and other creatures are able to navigate enormous distances without getting lost. How does this capacity to “read” Earth’s magnetic field work, and is that the only map to aid migration? Charles Walcott

Living Dirt: Soil’s Microbe Ecosystems

05/10/21 Healthy soil depends on healthy microbial ecosystems. These invisible communities have a very complex relationship. Kristen DeAngelis

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

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

Distinguishing Scientific Facts from Disinformation and Distortion

04/05/22 How can we distinguish scientific facts from disinformation? This Union of Concerned Scientists writer battles distortion on a regular basis. Elliott Negin

Solar Thermoelectric Alternative Energy

10/25/11 A nanotechnology innovation designed to significantly improve production of solar energy. Gang Chen

Today's Featured Contributors

Featured Author

Jané Kondev, Ph.D.

A major textbook in the field of physical biology

Featured Guest

Sheldon Krimsky, PhD

One of the most prolific researchers on public health issues, greatly committed to educating the public