A website that investigates the chemistry of bioluminescence and living lights.

This is Avi's very own website. It includes a categorized list of all his books (including individual summaries), plus highlights of soon-to-be-published and recently published books. A short biological sketch recommends a biography...

[Free Registration/Login may be required to access all resource tools.] Videos, texts, activities, and assessments about the factors that characterize living things.

[Free Registration/Login may be required to access all resource tools.] Turtles are reptiles in the order Testudines. Most turtle bodies are covered by a special shell developed from their ribs. About 300 species are alive today, and...