Free tutoring for students of all ages. Expert online tutoring in math, science, social studies, writing, and English. Every day 1 p.m. - 10 p.m. Adult learners can find resume builders, career help, and citizenship preparation.
The Centers for Disease Control and Prevention (CDC) is a national public health institute in the United States. It is a United States federal agency, under the Department of Health and Human Services, and is headquartered in Atlanta, Georgia.
Its main goal is to protect public health and safety through the control and prevention of disease, injury, and disability in the US and internationally.
Comprehensive databases for finding articles on all topics; with the full text of more than 1,700 periodicals. Choose a specific subject collection in which to search or search all. Collections include business, children and teens, ethnic, health, home cooking and gardening, environment, science, sports, politics and more. Includes Consumer Reports magazine.
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Manipulate and explore 3D interactive models to visualize and understand concepts in biology, chemistry, earth, and space science. Reference and periodical content provide additional context for further understanding.
National Geographic magazine, the official journal of the National Geographic Society, built its reputation delivering the highest-quality photojournalism and cartography in the world.
The iconic monthly publication provides unparalleled, in-depth coverage of cultures, nature, science, technology, and more -- making it an essential resource for educators and students as well as general readers. Enjoy unlimited access to the magazine from the first issue in 1888 through 2015 -- every article from every issue, each fully searchable.
Genetics Home Reference is offered by the National Library of Medicine, providing summaries of genetic conditions and their molecular basis in an easy-to-understand language. Browse the site by specific disorder or condition, by gene, or by chromosome.
Science.gov searches over 60 databases and over 2,200 scientific websites to provide users with access to more than 200 million pages of authoritative federal science information including research and development results.