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

Using Genetics to Trace Human History

07/08/16 An explanation of how modern genetics analysis confirms ancient human migrations, such as the Indo-Europeans. Nick Patterson

Cell Architecture: Self-Organization and Scaling

10/08/19 A cell's size and the proportions of its components are strictly determined, but where do the rules come from? Scientists are still trying to figure that out. Jané Kondev

Space Debris Alert!: The Potential Impact on the Ozone Layer and Earth’s Climate

05/27/25 Thousands of satellites orbit Earth. At the end of their missions, they drop into and burn up in the stratosphere, depositing ash that contains oxides and pollutants that are affecting both the ozone layer and the planet's climate. Atmospheric scientists are working to analyze the aerosols and their worrisome impact. Daniel Cziczo

Vital Ocean-Atmosphere Dynamics

01-10-23 An explanation of one of the most important factors in our planet's climate: ocean-atmosphere relationship. Amala Mahadevan

Scientists Raise the Alarm: Endocrine Disruptors Affect Brain Development

08/03/20 An important update on the impact of common toxins in the environment that permanently affect the brain -starting in the womb. The evidence of damage is far ahead of the regulation of these chemicals. Thomas Zoeller

Cracking the Neural Code for Speech

01/27/12 vThe Neural Prosthesis Lab at Boston University demonstrates the Brain-Computer-Interface: a communication device for the severely impaired. Frank Guenther

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

Harnassing Geothermal Energy

10/11/22 Geothermal energy is an ideal source of renewable energy, but it can be hard to access. Here's a plan. Paul Woskov

Today's Featured Contributors

Featured Author

Jeff Deyette

An essential resource for those who are committed to a better, healthier environment, and excellent tips for significantly reducing individual, household and workplace energy costs.

Featured Guest

Elliott Negin

A prominent Union of Concerned Scientists writer who is a very reliable source of information about science-related issues