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

Antarctic Fishes: Models for Climate Change and Human Disease

07/09/13 the unique "antifreeze" blood and skeletal mutations of the Antarctic Icefishes provide insights into both climate change adaptations and human disease. H. William Detrich, III

Infinitely Small to Infinitely Great: The Search for Microbial Life on Other Worlds

04/10/18 A collaboration of ocean and space scientists that will advance our understanding of exo-worlds, such as Enceladus and Europa. Peter Girguis

Climate Change and Ocean Circulation Systems

09/28/20 Ocean currents transport heat and cold around the globe, affecting weather and climate, and delivering nutrients to marine life. How does the accelerating climate change impact this vital system? Amy Bower

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

04/24/18 An important critique of geoengineering, including cautions about misinformation. Daniel Cziczo

Harnessing the Bioelectric Potential of Cells for Regeneration

02/21/12 Can bioelectric signals in cells be exploited for regeneration of limbs and tissue? This is an important area of medical research. Michael Levin

Scientists Raise the Alarm: Endocrine Disruptors Affect Brain Development

08/03/20 An important update on the impact of common toxins in the environment that permanently affect the brain -starting in the womb. The evidence of damage is far ahead of the regulation of these chemicals. Thomas Zoeller

Power Plants and the Freshwater Crisis

06/25/13 The cooling systems of power plants use an enormous percentage of our diminishing freshwater supply. What's the solution? John Rogers

Replacing Plastic: The Merits of Shrilk

02/04/14 Materials scientist Javier Fernandez discusses the "plastisphere" crisis and how it motivated the development of biodegradable "shrilk."

Today's Featured Contributors

Featured Author

Richard Primack, Ph.D.

Professor Primack's innovative textbooks incorporate information relevant to specific regions where the texts are used

Featured Guest

Julian Muñoz, Ph.D.

An innovative theoretical cosmologist who has introduced exciting new possibilities about the nature of dark matter and primordial black holes.