This case study aims to help students understand the transport of oxygen in the blood. The lesson uses the example of carbon monoxide poisoning to demonstrate the concept. This material would be appropriate for...

This site provides a technical report summarizing hundreds of research papers on this global issue. Offers definitions and presents bycatch by gear type, target species and fishing area. Includes overviews of biological...

Created by David Liao, this site offers a way for scientists, educators and others to investigate biological systems using a physical sciences perspective. On the site, visitors will find video tutorials, classroom fact...

This Oceanus article examines Quahog Parasite Unknown, a mysterious new threat to the shellfish aquaculture business. Code-named QPX, the parasite is an obscure, single-celled relative of slime mold that has both animal...

This story from Discover Magazine follows the career of paleontologist Stephen Hasiotis, who specializes in terrestrial ichnology, as he searches for the tracks of ancient invertebrates, even where a fossil record is...