The Core of the Moon

Did the ancient moon have a magnetic field like Earth's? And why do scientists need to know? Benjamin Weiss

They Didn't Believe It! The Atom

Science for the Public mini-series : They Didn't Believe It! Brief stories about science discoveries that were very slow to be accepted

Searching for Bio-Molecules

At the Summons Lab, scientists probe soil and rock samples from both ancient Earth and Mars for bio-molecules. Roger Summons

The Jurassic Genome

Genetic material in ancient fossils yields an amazing profile of extinct organisms. Chris Organ

Why the Earth Needs Its Oceans

A fascinating explanation of the complex relationship between the oceans and atmosphere --and how that balance makes the planet function....................... Amala Mahadevan

How Plankton Blooms Absorb CO2

What causes the massive plankton blooms that are necessary for stabilizing Earth's CO2 balance, and how does the process work? Amala Mahadevan

Psychiatric Drugs: Why They Often Fail Us Over Long Term

More than one in five Americans now takes a psychiatric medication. But long-term results are poor. Robert Whitaker, author of several books on this subject, discusses the problems of these meds and describes more effective initiatives.

Public Health: A Deeper Perspective

An explanation of how environment, community, class, and other factors must be included in public health. Sandro Galea

"Green" Batteries for Renewable Energy: How About Rhubarb?

The great potential of ordinary plants in the development of "green" batteries. Alán Aspuru-Guzik

Innovations in Clean Water Technology

Desalination offers a solution to the water shortage problem... John Lienhard V

Today's Featured Contributors

Featured Author

Max Tegmark, Ph.D.

A leading theoretical physicist introduces the public to the mathematical universe

Featured Guest

Meet Mara Prentiss, Ph.D.

A leading physicist explains how to implement renewable energy in the US --now!