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

Infant Fossil Teeth: Clues to Ancient Human Development

11/13/13 Ancient infant teeth reveal the importance of weaning patterns in human evolution. Tanya Smith

The Evolution of Photosynthesis

10/19/10 How photosynthesis --and life-- emerged in Earth's ancient chemical environment. Tanja Bosak and Alexander Petroff

Impact of Climate Change on Birds and Plants of Massachusetts

01/15/13 A discussion of the exceptionally well-documented climate change in Massachusetts. Richard Primack

Creating Public Doubt about Scientific Facts

11/18/14 How vested interests have misled and confused the public over the years about many critical issues: DDT, tobacco, the ozone hole, environmental toxins, climate change. Naomi Oreskes

Social Media and Mental Health

02/21/23 There is increasing concern about the impact of social media on mental health, especially among young people. What causes this problem and how should it be addressed? Jacqueline Sperling

Breakthrough in Antibiotics Resistance

03/24/15 An ingenious solution to the crisis of ineffective antibiotics is making headlines. Kim Lewis

Public Acceptance of Wind Energy in Massachusetts: Factors, Implications

05/14/13 Why public acceptance of wind power can differ from one community to another. Maria Petrova

Cooler Smarter

06/28/12 A co-author of the new book from the Union of Concerned Scientists describes how individuals can substantially reduce their carbon footprints while creating a healthy lifestyle...Jeff Deyette

Today's Featured Contributors

Featured Author

Emily Monosson, Ph.D.

An evolutionary toxicologist considers why some organisms adapt to our toxic world while others do not.

Featured Guest

Kamaljit Bawa, PhD

A world leader in conservation biology and founder of ATREE