Andrew Carnegie was known for his philanthropy, and in 1895 he contributed his vast wealth to creating 22 various organizations that still bear his name. In 1901 he created what became known as the Carnegie Institution for Science with an initial gift of $10 million. Over the past century, the Institution has continued to support a wide range of scientific endeavors, and researchers such as Edwin...

Traits of Life, a new collection of exhibits and demonstrations at San Francisco's Exploratorium, offers a fascinating look at the "fundamental elements common to all living things." Culminating from 3 years of research and development, the Traits of Life collection follows four themes: cells and DNA; reproduction; evolution; and energy consumption. This companion Web site offers cool interactive...