Students analyze information and draw conclusions about the reality of human life expectancy; the battle between health care technology and our own internal time clocks. Students answer questions such as "Why does aging occur and can...

In this sharks learning exercise, students complete 10 multiple choice questions about the Great White Shark and its physical characteristics, diet, life span, and more.

In this instructional activity, students complete 11 multiple choice questions about gorilla's physical characteristics, life span, and weight. Answers are provided.

This site is a reference to vital statistics and other data about the country of Bolivia. General information on the history, government, environment, and tourism of Bolivia are also provided. Illiteracy rate, average number of years of...

Acceleration, an increase in the rate of change, is occurring both in the Universe and in human culture on planet Earth. This article explains these fascinating changes.

In this interactive map, learn how life expectancy, obesity, hypertension, and physical activity rates have changed dramatically throughout the United States over the last three decades.