Dark Energy and the Cosmic Expansion

12/14/21 The Dark Energy Spectroscopic Instrument (DESI) is the most advanced probe of the relationship between dark energy and the expansion of the universe. A unique project in astronomy. Arjun Dey

Astrophysics Knowns and Unknowns

12/20/16 A guide to fundamentals of astrophyics at a time of many exciting --and sometimes puzzling-- discoveries. Priyamvada Natarajan

Microbe Evolution

02/12/13 How microbes and their communities evolve and what the process means for us. Christopher Marx

Evolution and Environmental Toxins

04/22/15 A toxicologist explains why some organisms thrive in an environment that endangers most species. Emily Monosson

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

They Didn't Believe It! Plate Tectonics, Foundation of Earth Systems

02/29/20 It took almost a century to determine if and how continents moved (continental drift). In the 1960s irrefutable evidence showed that tectonic plates caused regular shifts of the planet’s magnetic polarity, volcanoes and earthquakes -and the drift of continents.

What's Your DNA Profile Doing on a Federal Database?

04/11/11 The public should be more familiar with the broad implications of forensic DNA. Sheldon Krimsky.

How Nanotechnology is Revolutionizing Medicine

01/21/20 The unique features of the nano-scale are revolutionizing medical research and medical care. Here is the why and the how of that revolution. Sameer Sonkusale

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

Mara Prentiss, Ph.D.

A prominent physicist makes a compelling case for shifting to alternative energy --now!

Featured Guest

Charles Langmuir, Ph.D.

A distinguished geochemist and author, who has led some of the most important seafloor investigations in our time.