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

Science Speculations: Time Travel

03/15/18 How realistic is the time-travel concept and how would time machines work? David Toomey

Leaving It Up to Chance: How Cells Make Decisions

03/18/14 Cells make decisions that turn out to be random. Jané Kondev explains the implications of that surprising discovery.

Microbial Ecosystems: The Foundation of Life on Earth

06/01/23 Although all life depends on microbial ecosystems, there are many unknowns about the mechanisms by which these ecosystems develop and evolve in diverse environments. Otto Cordero

Atmosphere: Earth and Elsewhere

04/25/17 What an atmosphere is, what it does, how it changes --on Earth, elsewhere in our solar system and beyond. Daniel Cziczo

The Long Reach of Polar Glacial Melts

04/12/21 The accelerating Arctic and Antarctic glacial melts will affect sea levels and land masses in different areas of the globe --often far from the polar regions. Natalya Gomez

The Widespread Resistance to Antibiotics: Stuart B. Levy, M.D.

08/13/13 Exploring the "antibiotic paradox" and the decades-long efforts of Dr. Stuart Levy to avert the danger we have created

Nutrition for a Healthy Aging Brain

11/08/22. Can corrective nutrition prevent or reverse cognitive decline among older adults with bad diets? Here's a forthcoming study. Susan Roberts

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."

A Potential Solution to the Methane Problem

03/29/22 An innovation attracting great interest: an abundant, inexpensive clay might be used to remove the greenhouse gas methane from the atmosphere. Desiree Plata

Today's Featured Contributors

Featured Author

Alan Jasanoff, Ph.D.

An important discussion of why the brain must be considered within its physical, natural, and social environment

Featured Guest

Alexandria Johnson, Ph.D.

A post-doctoral researcher in the exciting young field of exoplanet atmospheres