The Formation of Stars and Planets

09/15/15 How stars and their planetary systems form, and what the New Horizons mission to Pluto will reveal about the "fossil record" of our own solar system. Scott J. Kenyon

Explaining and Measuring the Expanding Universe

08/28/20 The universe is expanding at an incredible rate, and dark energy is thought to be the cause. Astronomers observe and measure this mystery with very sophisticated equipment. Paul Martini

Understanding How Life Began

04/09/10 Molecules in meteorites met with an optimal chemical environment on Earth. Alonso Ricardo

Reconstructing Evolution: A Molecular Time Machine

02/23/16 Tracing ancient genetic changes through extinctions and speciation events to reconstruct our DNA history. Betul Kacar

What Your Food Ate

07/18/23 The actual nutritional value of our food depends on the quality of soil in which it is grown. Healthy soil, healthy people, healthy planet. David R. Montgomery & Anne Biklé

Our Rising Seas

02/19/17 Sea-level patterns over 2000 years and the situation now. Andrew Kemp

Brain Map: How the Brain Orchestrates Motion

04/09/13 The awesome brain work necessary for picking up a pencil. Tamar Flash

The Brain-Computer-Interface Paradox

05-20-25 For individuals paralyzed by injury, stroke or ALS, brain-computer-interface (BCI) devices can enable movement and even speech. However, there are concerns: specifically, that such technology could be developed for mind control. Lukas Meier

Harnassing Geothermal Energy

10/11/22 Geothermal energy is an ideal source of renewable energy, but it can be hard to access. Here's a plan. Paul Woskov

The Urban Future: On Earth...and Elsewhere

12/05/23 GBH Forum Network webinar (noon). By 2050, some 75 percent of the world population will live in cities. Future urban design will emphasize not only innovative architecture and engineering, but optimal environmental and social aspects of city dwelling also. The urban future might also include settlements beyond Earth. Justin Hollander

Today's Featured Contributors

Featured Author

Jané Kondev, Ph.D.

A major textbook in the field of physical biology

Featured Guest

Carlos Sonnenschein, M.D.

A pioneer in revealing the health threat of endocrine disruptors