Articles written by Lisa A. Bessasparis

Several fox species exist in North America. These "cat-like" predators have adapted well to urban settings but are still being destroyed as pests and for their fur.

Sep 30, 2007 - Lisa A. Bessasparis

Often less captivating than erupting geysers and colorful hot springs, fumaroles are fascinating signs of volcanism at work.

Sep 27, 2007 - Lisa A. Bessasparis

U. S. Fish and Wildlife Service must decide whether or not to remove the controversial gray wolf from federal protections in the northern Rocky Mountains.

Sep 26, 2007 - Lisa A. Bessasparis

Helium, Neon, Argon, Krypton, Xenon and Radon make up the noble gases. Chemically unreactive, or inert, these gases do not form compounds with other elements naturally.

Sep 25, 2007 - Lisa A. Bessasparis

Brilliant cut diamonds are always a treat. Understanding the natural processes behind diamond formation makes these precious gemstones even more wonderful to behold.

Sep 14, 2007 - Lisa A. Bessasparis

Yellowstone National Park's mountain scenery and abundant wildlife make this campground a spectacular place to camp.

Sep 14, 2007 - Lisa A. Bessasparis

During late summer, grizzly bears forage rocky slopes at high elevations, eating massive quantities of army cutworm moths in preparation for winter hibernation.

Sep 9, 2007 - Lisa A. Bessasparis