Light from Darkness? Searching for Dark Matter in the Sky

Dark matter is believed to comprise five-sixths of the matter in the universe, but cannot be "seen." Now, however, technical innovations offer the potential for real observation and maybe new physics.

Mapping the Heavens

A look at how major ideas in science are often initially resisted, and a view of the invisible cosmos. Priyamvada Natarajan

The Evolution of Photosynthesis

How photosynthesis --and life-- emerged in Earth's ancient chemical environment. Tanja Bosak and Alexander Petroff

Leaving It Up to Chance: How Cells Make Decisions

Cells make decisions that turn out to be random. Jané Kondev explains the implications of that surprising discovery.

Soil: The Skin of the Earth

Soil is essential for life on Earth, and life greatly enriches soil. How did the pedosphere evolve, what makes it dynamic, and how can we save it? Andrew Kurtz

Making a Global Plan for Climate Change

An expert on climate change policy explains the coming global challege and the role of public commitment. Henrik Selin

From The Cell to Cancer

What causes cancer? An internationally recognized research team discuss how different cancer theories shape cancer research. Ana Soto and Carlos Sonnenschein

Nanotechnology in Medicine

A tour of some innovative medical nano-devices at the Tufts University Nano Lab. Sameer Sonkusale

Public Acceptance of Wind Energy in Massachusetts: Factors, Implications

Why public acceptance of wind power can differ from one community to another. Maria Petrova

Replacing Plastic: The Merits of Shrilk

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

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

Meet William Moomaw, Ph.D.

A distinguished scientist who has worked for decades to implement sound environment and climate policies