The Dark Age of the Universe

What scientists are learning about the early universe --before light emerged. Lincoln Greenhill

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. Licia Verde

Mushrooms and Other Fungi: Their Role in Nature

A tour of the fascinating world of mushrooms. This is way beyond the supermarket. David Hibbett

The Co-Evolution of Organisms and Their Environments

Reconstructing the relationship between biological evolution and geology, climate, environment. Andrew Knoll

The Science --and Oft-Ignored Side Effects --of Geoengineering

An important critique of geoengineering, including cautions about misinformation. Daniel Cziczo

The Politics of Food's Environmental Footprint

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

Psychotropic Drugs and Children

The real dangers of psychotropic drugs that are routinely prescribed for children. Robert Whitaker

Traffic Pollution and Child Cognition

The effects of vehicle pollutants on the developing brain. Shakira Franco Suglia

The Push for Renewable Energy

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

Replacing Plastic: The Merits of Shrilk

Materials scientist Javier Fernandez discusses the "plastisphere" crisis and how it motivated the development of biodegradable "shrilk."

Today's Featured Contributors

Featured Author

Sanjoy Mahajan, Ph.D.

An enlightened approach to learning mathematics -and thinking mathematically

Featured Guest

Meet Emilio Bizzi, M.D., PhD.

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