Atmosphere: Earth and Elsewhere

What's so important about an atmosphere? Find out here.

Resistance to New Ideas

Many of the most important advances in scientific understanding were initially rejected or ignored.

Cosmos: Dark Matter, Dark Energy

Most of the mass of the universe is invisible and undetectable and is known only by its effects....

Life: Quasi-Life

Viruses, prions, bacteriophages ... all behave like living organisms but are not quite alive...

Acid Rain

Compounds emitted by smokestakes, vehicles and aircraft are deposited by rain, destroying the environment and corroding even stone and metal.

The Formation of Stars and Planets

How stars and their planetary systems form, and what the New Horizons mission to Pluto will reveal about the "fossil record" of our own solar system

Mapping the Heavens

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

Searching for Bio-Molecules

At the Summons Lab, scientists probe soil and rock samples from both ancient Earth and Mars for bio-molecules

The Jurassic Genome

Genetic material in ancient fossils yields an amazing profile of extinct organisms

Communicating Climate Change Through Science and Technology

Some ways to show how marine organisms actually experience climate change

How Restorative Development Can Address Climate Change

An international authority on the dual impacts of climate change and environmental destruction discusses the urgent need for a restorative development policy.

Conflicting Science on the Safety of Genetically Modified Food

Many nations prohibit GMO foods, but the US doesn't even require labeling. What can science tell us about GMOs?

Long-Term Health Threats of BPA and Other Endocrine Disruptors

Endocrine disruptors such as BPA cause developmental problems and disease. How does this damage occur?

Solar Energy the Third Way

Efficient production of solar energy with solar thermo-electric generators (STEGs)...

"Green" Batteries for Renewable Energy: How About Rhubarb?

The great potential of ordinary plants in the development of "green" batteries

Today's Featured Contributors

Featured Author

Stuart B. Levy, M.D.

An international expert on the mechanisms of antibiotics resistance and a leader in creating public awareness

Featured Guest

Meet Sandro Galea, MD, DrPH

A distinguished scientist who emphasizes the psychological as well as the physical impacts of disease, conflict, environment in the health of populatiions