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

Ancient Environmental Shifts and Evolution

05/03/21 A warming climate led to the emergence of grasslands, which led to major evolutionary changes. Aly Baumgartner

A Spotlight on the Impact of the Wildlife Trade

07/14/20 The persistence of the international wildlife trade is destructive for wildlife, ecosystems, environment, and human health. Maria Ivanova and Candace Famiglietti

The Science of Clouds and Climate

03/21/15 The Cziczo Lab at MIT investigates the particles that form clouds and the vital role of clouds in climate change. Daniel Cziczo

How Ocean Acidification Harms Shellfish

01/11/21 Climate change has brought ocean acidification and ocean acidification is a serious threat to shellfish. What can be done to save sealife? Louise Cameron

How Effective Are Vitamin D Supplements?

04/23/24 Promoted for years as a means to strengthen bones and lower risk of multiple diseases, improved studies by JoAnn Manson and others revealed that Vitamin D supplements were not very effective at all. Natural sources, including sunshine, are much better. It’s important to understand why. JoAnn Manson

Probing the Health Molecules of Plants: The Weng Lab at Whitehead Institute

02/10/19 A visit to the Weng Lab at Whitehead Institute to learn how researchers exploit the mechanisms and molecules of plants contributing to medical innovations. Jing-Ke Weng

Innovations in Clean Water Technology

12/20/11 Desalination offers a solution to the water shortage problem... John Lienhard V

Designing Sustainable Urban Development

11/25/19 How the world-class Sustainable Design Lab at MIT combines architecture, engineering, physics --and creative genius-- to design the optimal urban environment. Christoph Reinhart

Today's Featured Contributors

Featured Author

H. William Detrich, Ph.D.

Two textbooks by an international expert on Arctic biology and genetics

Featured Guest

Lynn Adler, Ph.D

A biologist who investigates the relationship between bumblebees, their preferred food-flowers, and the transmission of bee diseases.