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: Star Cycles

Millions of years after the Big Bang, scattered areas of gas density gradually increased in mass, heat and pressure, until they ignited in spectacular bursts of nuclear fusion...

Life: Extreme Forms of Life

The discovery of organisms thriving in extreme temperatures and conditions deep undersea, deep in the Earth, deep in the ice suggests that life, once it emerges, is extraordinarily resilient..

Lightning as Electricity

What is so obvious to us was not understood until Ben Franklin's famous 1752 demonstration.

Mapping the Milky Way

An amazing 30+ year project and the discovery of two new Milky Way spiral arms

Exoplanet Atomospheres

How do scientists investigate exoplanet atmospheres --and what are they discovering?

The Potential Uses of Deep-Sea Microbes

A leader in the study of exotic microbes at hydrothermal vents explains the significance and the potential of these life forms

Scale-Free Complex Networks: Albert-László Barabási, Ph.D.

a visit to the Barabási Lab at Northeastern University to learn how scale-free complex networks affect scientific perspectives

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?

What to Know about Geoengineering

The excess CO2 in Earth's atmosphere will remain for hundreds of years. An atmospheric scientist explains the need to reduce that excess as we shift to renewable energy.

From The Cell to Cancer

What causes cancer? An internationally recognized research team discuss how different cancer theories shape cancer research

Viruses: Threats in a Tiny Package

Viral infections that were once obscure are potentially global threats in a highly linked world. New tools are being deployed to identify and block these diseases.

Solar Thermoelectric Alternative Energy

A nanotech innovation to improve solar energy...

Fracking: The Facts and Issues

A panel of experts presents the known scientific, health and environmental facts about fracking

Today's Featured Contributors

Featured Author

Kamaljit S. Bawa, Ph.D.

A major textbook on conservation biology and a beautiful tribute to the ecology of the Himalayas

Featured Guest

Meet Emilio Bizzi, M.D., PhD.

A world leader in the investigation of the brain's control of complex movement