Similar to the Desert Archaic, the Great Basin's unique make up produced differences in human habitation during the Archaic Period.

Oct 12, 2010 - Lee Ann Forrester

Overcoming several challenges, plant species emerged from the waters and into terrestrial environments about 425 million years ago.

Apr 22, 2010 - James Pendleton

Brief biography of English scientist Charles Darwin, credited for originating the theory of evolution by natural selection.

Nov 17, 2008 - Tel Asiado

New Zealand's unique parrots are believed to have evolved from a common ancestor of the Psittacidae parrots more than 80 million years ago.

Aug 20, 2011 - Suzan Phillips

In the Southern Ocean between New Zealand and Antarctica, six island groups have World Heritage listing for their great natural and ecological significance.

Aug 5, 2010 - Brian Cross

Folly Farm is a tourist attraction at the top of any family agenda when visiting West Wales, but its enduring appeal is based on sound business principles.

Oct 6, 2011 - Vivien Young

Not only do dogs come in an amazing assortment of sizes, shapes, and colors; there's also a logical explanation about why they can mate with wolves and coyotes.

Dec 10, 2007 - Jill Arnel

In The Craftsman, sociologist Richard Sennett studies the history of skilled work and its ability to transform self, product, technique and society.

Feb 13, 2011 - Keith Sellick