Looking for Signatures of Life on Mars

03/17/15 Was there ever life on Mars? How do scientists search for and analyze possible clues? Roger Summons

How to Talk to a Science Denier

03/08/22 The right author and the right book with the right strategy for dealing with those who reject scientific facts. Lee McIntyre

Sustaining Life: Biodiversity and Human Health

06/07/11 Aaron Bernstein, M.D, MPH and author explains how the unprecedented loss of biodiversity impacts human health.

"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.....


03/16/10 Earthquakes occur somewhere, every day. Can they be predicted, and if so, how? Colleen Dalton

The Politics of Food's Environmental Footprint

04/17/12 Calculating the impact of large-scale food production on the environment... Susanne Freidberg

The Struggle to Ban Pesticides That Disrupt Brain Development

07/05/22 Scientists struggled for decades to get an EPA ban on Chlorpyrifos, a widely used pesticide known to impair brain development. As autism, ADHD and other developmental conditions increased, vested interests blocked efforts to regulate Chlorpyrifos and other agricultural toxins. Philip Landrigan

How Delayed Release of Industry Data on Chemical Toxicity Impacts Health

08/21/18 Producers of perfluorinated alkylate substances (PFAS) withheld for decades the facts about the health and environmental threats of these ubiquitous toxins. Philippe Grandjean

Renewable Energy Progress --Despite Resistance from the Fossil Fuel Industry

11/10/15 What we can do to speed up the transition to renewable energy, despite Big Oil's well funded resistance. Jeff Deyette

Carbon Capture and Conversion

07/19/21 A carbon capture innovation that can produce useful, products, including non-polluting transportation fuels. Sami Khan

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

Meet James Mott, Ph.D.

A physicist who was involved in developing the custom electronics for the famous Fermilab Muon g-2 experiment.