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

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

Why the Earth Needs Its Oceans

03/18/19 An explanation of the complex relationship between the oceans and atmosphere, and how that balance makes the planet function. Amala Mahadevan

New Paradigms of Conservation

07/12/16 How a combination of innovative conservation techniques and involvement of local villages is combating damage in the Himalayas. Kamal Bawa

Good Diet, Good Health

10/08/21 The typical American diet, heavy on processed food and excess sugar, is associated with high levels of diabetes 2, heart disease and other conditions. What is a genuinely good diet and how does it promote health? Walter Willett

They Didn't Believe It! The Germ Theory of Disease

02/03/20 Despite great medical accomplishments in ancient civilizations, then medical advances from the 17th century on, the connection between germs and disease was unknown.

The D-Lab at MIT: Engineering by and for Developing Nations

11/01/11 An award-winning MIT lab engineers practical necessities for impoverished nations. Amy Smith

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

Susanne Freidberg, Ph.D.

Outstanding resources on the environmental impact of modern agriculture and meat production

Featured Guest

Robert Simcoe, Ph.D.

An innovative astronomer and developer of cutting-edge instruments for optical/infra-red astronomy