Science and Technology

Photo courtesy of David Winslow Van Ness

Suppose you need a wrench, or a knee replacement, or a hamburger. David Winslow Van Ness says, not a problem. In the not-too-distant future, just print one out.

Brain Food: Valentine's Day In The Natural World

Feb 13, 2014
Trees For Life

As we get ready to celebrate Valentine's Day, Northern Arizona University ecology professor Nancy Collins Johnson reminds us that we can learn a lot about relationships from nature. Collins is a soils expert who studies mycorrhizal symbiosis - or, healthy relationships between fungi and the roots of plants.

Brain Food: The Discovery Channel Telescope

Jan 23, 2014
Len Bright/Lowell Observatory

The highly sensitive camera of Lowell Observatory's Discovery Channel Telescope is painting a brighter picture of faint objects in the universe.

Brain Food: Spring-Loaded Muscles

Jan 16, 2014
Danielle Borth, NAU Office of Public Affairs

A Northern Arizona University regents’ biology professor is studying how the speed with which frogs catch insects can improve the mechanics of artificial limbs for humans. Kiisa Nishikawa has discovered the connection is a protein called titin. It essentially enables muscles to “think,” reacting in milliseconds, rather than waiting for a signal from the brain.

Brain Food: Growing Human Skin

Dec 5, 2013
Bonnie Stevens/KNAU

Step into Robert Kellar's physiology and anatomy class at NAU and you'll learn how the human body works. But, step into his lab an you'll learn how to grow human skin. Dr. Kellar can teach plants how to manufacture human protein.