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

Self-Defense Mechanisms of the Cell

12/14/10 The cell's self-defense repair kit against hereditary, environmental, and other threats. Sushil Alimchandani

Mass Extinctions

04/09/19 What caused Earth's five mass extinctions --and most important--are we headed for a sixth? Andrew Knoll

The Politics of Food's Environmental Footprint

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

Ecological and Psychological Perspectives on Climate Change

02/13/18 Important factors that influence the way people think about climate change. Brian Helmuth and John Coley

Beyond the Gene: Epigenetics Revealed

06/12/12 ew understanding of the complex relationship between genes and the epigenome. Mary Gehring

Environmental Toxins and the Brain

10/2014 Many common toxins in the environment significantly harm the fetal brain. Philippe Grandjean

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

Replacing Plastic: The Merits of Shrilk

02/04/14 Materials scientist Javier Fernandez discusses the "plastisphere" crisis and how it motivated the development of biodegradable "shrilk."

Today's Featured Contributors

Featured Author

Sheldon Krimsky, Ph.D.

Professor Krimsky's excellent books represent a broad range of science-related issues

Featured Guest

Maharaj K. Pandit, Ph.D.

A leader in the effort to reveal the complex ecologies of the Himalaya region and the need to protect this region