Neurons and man natural background
Biology

Our Electric Mind: The Neuron Doctrine

February 23, 2017

How do neurons communicate with each other? If there is a gap between them, how is communication possible? Understanding this phenomena took a giant step forward with the discovery that axons actually generate electricity. […]

A dragonfly nymph
Biology

The Balance between Predators and Prey

February 12, 2017

By Stephen Nowicki, PhD, Duke University The life-and-death balancing act between predator and prey is complicated and fascinating. Read about Ecologist Josh Van Buskirk’s classic […]

Astronomy

Stonehenge: A Remarkable Relic of Archeoastronomy

February 9, 2017

Ancient astronomers achieved remarkable feats that were built on many thousands of years of watching the sky. How did they accomplish so much without using the technology we have available today? Welcome to the study of archeoastronomy. […]

closeup in the hands of a coal miner (Image: Siberia Video and Photo/Shutterstock)
Chemistry

Coal: A Lesson in Economic Geology

February 1, 2017

Economic geology is the use of materials for the benefit of society. Two such materials, coal and petroleum, comprise 90% of all the energy budgeted in the United States. […]

Periodic Table Chemical Concept with Men Touching Some Element by His Finger
Chemistry

Building the Periodic Table

January 9, 2017

The periodic table is the chemist’s playground—an icon of science that’s found on classroom walls around the world. It’s one of the most powerful conceptual tools in all of science, yet it didn’t spring forth all at once. […]

Moons of the Solar System
Astronomy

Great Moons of Our Solar System

January 6, 2017

By Frank Summers, Ph.D, Space Telescope Science Institute Everyone memorizes the names of the eight planets. But how many of us have memorized the seven […]

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