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View Resource Tardigrades as Environmental Indicators

This essay was written by Amber, a high school senior who won the Young Naturalist Award in 2001 for her research on tardigrades (also known as water bears) as environmental bioindicators. Amber discusses how she became interested in tardigrades and her project, including sampling techniques, results, and her trip to Greenland with 15 prestigious tardigradologists from around the world. The...

View Resource What a Couple of Dimensions Can Do For You: Comparative Developmental Studies Using 4D Microscopy, Examples from Tardigrade Development

This Integrative and Comparative Biology scholarly paper (11-page PDF) presents a sophisticated method of microscopy, 4D microscopy (3D time-lapse microscopy), which records the entire development of an embryo and allows detailed analyses of events such as cleavage, cell migration, cell death (apoptosis), and cell differentiation during development. Using tardigrade development as an example,...

View Resource A Mysterious Disease Is Infecting Northeast Clam Beds

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 and fungal characteristics. QPX secretes a thick layer of mucus to ward off the clam's immune response and was responsible for killing nine out of every ten clams in some plots...

View Resource Honor Thy Symbionts

This PNAS scholarly article explores the extraordinarily complex and dynamic environmentally transmitted consortia symbiosis of the human intestine. It analyzes the molecular foundations of beneficial symbiotic host-bacterial relationships in the gut and explains how interdisciplinary studies of the effects of the intestinal environment on genome structure and function could provide important...

View Resource Lighting Up the Sea

This National Geographic lesson plan explores bioluminescent organisms in the sea. In this activity, students explore the benefits of bioluminescence by conducting a simulation and viewing pictures of bioluminescent marine animals on the Web. The conclusion of the activity entails students pretending to be deep-sea divers and writing journal entries about their impressions of a bioluminescent...

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