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: Evolution and Extinction

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

Atom

The concept that all matter is composed of an invisible but fundamental entity was resisted for a very long time.

Two Paul Steinhardt Projects: The "Cyclic Universe" and "Quasicrystals"

One of our foremost physicists discusses two projects: the cyclic universe and quasicrystals

Solar Magnetic Storms and Space Weather

How the Sun's magnetic storms can affect electric grids and electronic communications

The Evolution of Photosynthesis

How photosynthesis --and life-- emerged in Earth's ancient chemical environment

Exploring the Dark Matter of the Microbial World

All life depends on a microbial foundation. So does development of new antibiotics. But 99 percent of microbes are unknown.

Earth and Humans: A Planetary Perspective

A distinguished authority on Earth's geochemical systems explains the deep relationship between life and planetary environment

Sustainability Science: Biodiversity and Community

The distinguished ecologist Kamal Bawa talks about his new book on the Himalayas, his research, and his ATREE institute

Evolution of the Y Chromosome: Males Will Survive

The scientist who led the sequencing of the Y chromosome explains its evolution, its survival, and possible relationship to conditions and diseases that affect mostly males.

Traffic Pollution and Child Cognition

The effects of vehicle pollutants on the developing brain

The Push for Renewable Energy

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

The D-Lab at MIT: Engineering by and for Developing Nations

An award-winning MIT lab engineers practical necessities for impoverished nations

Today's Featured Contributors

Featured Author

Albert-László Barabási, Ph.D.

Reknowned for introducing a paradigm shift in the understanding of complex networks

Featured Guest

Meet Shakira Franco Suglia, ScD.

A researcher who examines the impact of urban pollution on cognitive development