This model of the HIV virus is enlarged millions of times to show the outer lipid membrane with protein structures and the internal nucleoproteins and...
Make the invisible visible. A safe and simple way to teach pollution and contamination, this kit allows students to detect microscopic microbes in sam...
Students find the answers to such questions as how much bacteria does soap or mouthwash eliminate, and which mouth contains more bacteria — a human or...
You don’t have to take a field trip to the dentist to teach your students about tooth decay and preventive oral hygiene. With this kit, students will ...
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