In this course, you will learn how to protect your device and the information on it. You will learn how to keep your devices safe from possible threats, and how to use screen locks. You will also learn how to save a backup of the...

Readings and practice problems about online data security.

In this unit, students explore the basics of how Covid-19 affects people, and design investigations to explore how it spreads from person to person, and what we can do to prevent that spread.

This page is a thorough overview of warts. Includes information on types, prevention, treatment, and more.

Learn how blisters are formed and get information on symptoms, prevention, and treatment.

The official website about Swine Flu from the Center for Disease Control and Prevention. Find out general information, an update on the current situation as of the day you are looking at the site, recommendations for vaccine, and what...

This MIT course on network and computer security covers topics such as security in multi-user distributed systems, cryptography, authentication, intrusion detection, and many other security topics.

This web-based simulation demonstrates potential spread of HIV through a population. Each participant exchanges virtual body fluids with other participants, some of whom are HIV positive. A computer-simulated ELISA will illustrate the...

Based on the principle of antibody-antibody interaction, this ELISA test for HIV detection allows for easy visualization of results and can be completed without the additional concern of radioactive materials use.

Online exhibit commemorates the discovery of the polio vaccine. Includes a timelined history of the disease, beginning with the first clinical description of polio by British physician Michael Underwood. Inquiries into the research to...

Microbiologists spend their careers peering through microscopes in their study of microorganisms. They have plenty to look at since these are Earth's most common life-forms. Science Buddies outlines the education requirements as well as...

The word rabid often makes people think of an animal that is extremely violent, crazy, and maybe even foaming at the mouth. But not all animals infected with the rabies disease fit that description. Nevertheless, it is important to avoid...

Germs are found on almost every surface we come in contact with, which makes it incredibly common for our bodies to be exposed to them. But why are some of these germs relatively harmless, while others can be fatal? The creators of this...

Add your knowledge about Microsoft Excel to the Encyclopedia Wikipedia. There are many links, especially about the history of various versions of Excel and the technical operations aspects.

An interactive, self-guided lesson on pathogens and microorganisms. This lesson has many descriptive animations as well as diagrams to help with understanding. There is a self-checking quiz at the end of the lesson.

A series of slide show presentations about the treatment of infectious disease. Each focuses on one aspect of fighting bacteria. Also included are interactive animations illustrating body functions and how medicines work.

When HIV/AIDS first emerged in North America, people were frightened by it and this led to the spread of false information about this disease. Students will learn to separate the facts from the fiction, and will create presentations on...

After reading an article about how the spread of HIV/AIDS was first tracked, students act as epidemiologists to map its spread round the world. The instructional activity materials and a set of PowerPoint slides can be downloaded.

Use this website to find out about water quality issues anywhere in the U.S.A. where water studies have been conducted by the U.S. Geological Survey.

Examine the extent to which the critical infrastructure of the U.S., including electrical power, finance, telecommunications, health care, transportation, water, defense and the Internet, is vulnerable to cyber attack.

Government site featuring information on drugs, consumer news, treatments and links to other resources.

Think U Know offers great interactive resources for kids on staying safe while having fun in chat rooms online. Here you will learn the facts through fun and exciting characters! A parent's page is also included.

An easy to understand but complete look at the causes and symptoms of encephalitis, especially in children. Site also contains links to related illnesses in children.

This section is about how the immune system goes wrong. When it goes haywire, and becomes too weak or too strong, it leads to a state of disease. The factors that maintain immunological homeostasis are complex and incompletely understood.