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

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

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 Alvin Deep-Sea Submersible: An Engineer's Story

08/31/15 Dudley Foster, the Woods Hole engineer closely associated with the Alvin's history, describes explorations of this famous deep-sea submersible. Dudley Foster

Viruses: Threats in a Tiny Package

11/06/14 Viral infections that were once obscure are potentially global threats in a highly linked world. New tools are being deployed to identify and block these diseases. John Connor

Medicating ADHD: Diagnosis and the Long-Term Effects of the Medications

03/20/13 The potential danger of long-term use of ADHD drugs. Robert Whitaker

Hard Facts about Carbon Capture and Storage

05/18/22 Just how effective is Carbon Capture and Storage (CCS), the much-promoted solution to the excess atmospheric CO2 from fossil fuels? June Sekera and Neva Goodwin

There Is More Than Enough Renewable Energy

03/06/18 Irrefutable evidence for why we should --and can-- transition to renewable energy without delay. Mara Prentiss

Today's Featured Contributors

Featured Author

Jané Kondev, Ph.D.

A major textbook in the field of physical biology

Featured Guest

Tom Mrowka, PhD

A leading theoretical mathematician explains the crucial role of mathematics in understanding Nature