Dark Matter in the Universe

09/28/10 Some mysterious, invisible stuff is holding galaxies together. Peter Fisher

Cosmic Evolution

12/09/14 From the beginning of the universe to complex life: an explanation of the development of the cosmos. Eric Chaisson

Conservation Lessons from Ice-Age Extinctions

04/26/11 Was there a human factor in the Ice Age extinctions of large mammals? ............ Sharon Levy

Finding Their Way: How Migratory Creatures Get Where They’re Going

04/19/22 Because of a special biological feature called magnetoreception, migratory birds and other creatures are able to navigate enormous distances without getting lost. How does this capacity to “read” Earth’s magnetic field work, and is that the only map to aid migration? Charles Walcott

Vital Ocean-Atmosphere Dynamics

01-10-23 An explanation of one of the most important factors in our planet's climate: ocean-atmosphere relationship. Amala Mahadevan

Analyzing Clouds and Climate Change

09/26/23 Clouds protect the planet and play an essential role in climate dynamics. How will the rapidly heating planet affect that relationship? Daniel Cziczo

The Advent of Personalized Genomic Medicine

05/24/12 Genomic medicine will revolutionize health care, but it also introduces a challenge for data management. John Quackenbush

The World Health Organization: Lifeline for the World's Children

09/08/20 A distinguished physician-researcher explains the many threats to children's health all over the world, and how millions of young lives are saved by the W.H.O. Davidson Hamer, M.D.

The Great Potential of Offshore WInd Farms

05/07/19 How effective are offshore wind farms in nations that have developed them, and why has the US been especially slow to adapt such an important energy resource? Andrew Myers

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

11/01/11 An award-winning MIT lab engineers practical necessities for impoverished nations. Amy Smith

Today's Featured Contributors

Featured Author

Andy Knoll, Ph.D.

An acclaimed scientist and award-winning author, whose books on the relationship between geology, environment and evolution are both brilliant and accessible.

Featured Guest

Christoph Reinhart, Ph.D.,

An international leader in urban design, emphasis on healthy and sustainable environment