Students analyze the difference between the human habitat and the different habitats of animals in the six lessons of this unit. The students' imaginations and literature are used to explore important aspects of the living environments...

What's been happening to the world's oceans over the past 50 years? Ocean researcher, Sylvia Earle, shares breathtaking images of the ocean and surprising details about the many problems plaguing its health. [18:12]

This 1-millimeter animal can survive both the hottest and coldest environments on earth, and can even withstand high levels of radiation. Thomas Boothby introduces us to the tardigrade, one of the toughest creatures on Earth. [4:10]

This site features an extensive list of poems and songs for every event during the school year. Explore the seasons, colors, holidays, and more.

Dinosaurs could swim? Scientist believe that one in particular could. Learn what they discovered and how this impacts our knowledge of these creatures. Many interactive features are also available on this site.