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: Solar Systems

Stellar death explosions produce massive gas and dust clouds, and some of that detritus becomes solar systems ...

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..

Photon as Particle and Wave

The unexpected and unlikely nature of the photon was hard to believe

Dark Matter in the Universe

Some mysterious, invisible stuff is holding galaxies together

Mahajan Mathematics

A novel approach to teaching mathematics

Infant Fossil Teeth: Clues to Ancient Human Development

Ancient infant teeth reveal the importance of weaning patterns in human evolution

Antarctic Fishes: Models for Climate Change and Human Disease

How the unique "antifreeze" blood and skeletal mutations of the Antarctic Icefishes provide insights into both climate change adaptations and human disease

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.

The Youth Pill

What are the possibilities of extending human life and good health?

How TB Bacteria Evade Treatment

TB cells do not all respond to antibiotics. Discovering why is the key to effective treatment.

Cooler Smarter

A co-author of the new book from the Union of Concerned Scientists describes how individuals can substantially reduce their carbon footprints while creating a healthy lifestyle...

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

Jon Beckwith, Ph.D.

A great scientist's dual role as geneticist and social activist

Featured Guest

Meet Toby Lester

Acclaimed author of The Fourth Part of the World (2009) and Da Vinci’s Ghost (2012)