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Earth's True Age

The evidence for a 4-billion-years-old Earth was a serious contradiction of the widely held Biblical view

Probing the Large-Scale Universe

Deep cosmic surveys hope to explain the mysterious accelerating expansion of the universe. That search considers dark energy, dark matter, gravity.

Mapping the Milky Way

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

The Jurassic Genome

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

Searching for Bio-Molecules

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

Making a Global Plan for Climate Change

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

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?

See What I Mean? Visualizing in Science

Visual representation is essential for the communication of science concepts and data

Environmental Contaminants and Autism

Determining the relationship between environmental contaminants and the global increase in autism

Solar Thermoelectric Alternative Energy

A nanotech innovation to improve solar energy...

The Push for Renewable Energy

An author-activist urges public engagement to ensure the transition to renewable energy

Today's Featured Contributors

Featured Author

David Kaiser, Ph.D.

Outstanding resources on the relationship between physics, history and culture

Featured Guest

Meet Bree Aldridge, PhD

A researcher whose discoveries about TB bacteria are widely recognized