Dark Energy and the Cosmic Expansion

12/14/21 The Dark Energy Spectroscopic Instrument (DESI) is the most advanced probe of the relationship between dark energy and the expansion of the universe. A unique project in astronomy. Arjun Dey

Astrophysics Knowns and Unknowns

12/20/16 A guide to fundamentals of astrophyics at a time of many exciting --and sometimes puzzling-- discoveries. Priyamvada Natarajan

Mushrooms and Other Fungi: Their Role in Nature

10/05/17 A tour of the fascinating world of mushrooms. This is way beyond the supermarket. David Hibbett

Nectar, Pollen and the Health of Bees

07/10/19 Nectar and pollen are sources of food for bees, but some of these sources may also help to reduce certain pathogens. Lynn Adler

The Role of Oceans in Climate

06/16/15 A visit to Woods Hole Oceanographic Institution to learn how researchers investigate the dynamic relationship between oceans and climate. Amala Mahadevan

Are Coastal Communities Prepared for Rising Seas?

07/31/20 Rising seas are already affecting many coastal cities and communities. How can we best prepare, and how fast? Erika Spanger-Siegfried

Genetics and Social Responsibility

10/07/14 A distinguished leader in genetic research discusses his dual commitment to science and ethics. Jon Beckwith

Long-Term Health Threats of BPA and Other Endocrine Disruptors

08/21/12 Endocrine disruptors such as BPA cause developmental problems and disease. How does this damage occur? Ana Soto and Carlos Sonnenschein

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

Carbon Capture and Conversion

07/19/21 A carbon capture innovation that can produce useful, products, including non-polluting transportation fuels. Sami Khan

Today's Featured Contributors

Featured Author

Kamaljit S. Bawa, Ph.D.

A major textbook on conservation biology and a beautiful tribute to the ecology of the Himalayas

Featured Guest

Ana Diaz Artiles, Ph.D.

An aerospace engineer on the leading edge of artificial gravity designs, space physioogy and other innovations for living in space