Working Science

Using Genetics to Trace Human History

An explanation of how modern genetics analysis confirms ancient human migrations, such as the Indo-Europeans

Resistance to New Ideas

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

The Need for Science Funding

In an era of global science, other nations are increasing their science budgets. Why aren't we?

Cosmos: Black Holes

Paradoxical objects that underscore the mystery of the universe, black holes seem the ultimate destructive force, but may be essential to the stability of galaxies...

Life: Evolution and Extinction

The long reign of bacteria, the eventual branching and diversification, symbiogenesis, the dramatic mass extinctions and resurgence of life...

Spectral Analysis

The correct interpretation of light spectra from stars was presented by a young researcher whose evidence was initially rejected.

How Solar Systems Form: Puzzles and Possibilities

Astronomer Joan Najita explains the challenge of understanding how planetary systems are created.

The Social Context of Science

David Kaiser discusses how culture influences science and why we should be aware of that relationship

"Shocking" News from Deep-Sea Hydrothermal Vents

In probably the most extreme environmment on Earth, organisms are thriving. Peter Girguis explains how.....

Advanced Research on the Origin of Life

Two young scientists at the famous Jack Szostak Lab explain research issues

Restoration of Severely Contaminated Lands

Sometimes polluted land can be restored. Some case histories...

The Politics of Food's Environmental Footprint

Calculating the impact of large-scale food production on the environment...

Unraveling the Secrets of Viruses

Why are viruses so successful, and can we manage the bad ones?

The Electric Eye: A Visual Prosthesis

A major breakthrough in the restoration of vision

Innovations in Clean Water Technology

Desalination offers a solution to the water shortage problem...

Solar Energy the Third Way

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

Today's Featured Contributors

Featured Author

Sanjoy Mahajan, Ph.D.

An enlightened approach to learning mathematics -and thinking mathematically

Featured Guest

Meet Sharon Levy

A respected nature writer discusses ancient and modern extinctions