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 Math and Logic Problems This cornucopia of math and logic problems is provided at no charge courtesy of the folks at BarCodes Inc. Designed to serve as a type of one-stop destination for those who love such activities, the site serves as a thoughtfully curated collection that deals with math in the real world, logic puzzles, and much more. Visitors will find four different thematic areas, including Math and Logic Problems for Kids and Math and Logic Problems for Mathematicians and Logicians. The site doesn't have a search engine, but it's easy enough just to browse around for items of interest. First-time visitors will want to start by looking over the Interactive Fun Puzzles and the very cool Daily Translation... How Humans Speak, Sing, Squeak and... The National Center for Voice and Speech developed this series of mini-courses and tutorials to assist people with difficult concepts in voice production.... High School Biology Resources The Concord Consortium is a non-profit educational technology group that has been designing teacher-ready tools, from lesson plans to activities, for over two... Biotechnology Teachers Resources... Educators assembling lessons on biotechnology will find much to appreciate in this list of teacher resources from the North Carolina Biotechnology Center. Here... Space Science Institute The Space Science Institute has built a website geared toward the constructivist learning approach, which posits that learning entails an active and fluid... Mathematics Illuminated Everything (mathematics) is illuminated in this excellent thirteen-part series created by Annenberg Media for adult learners and high school teachers. As their... AMSER is a portal of educational resources and services built specifically for use by those in Community and Technical Colleges but free for anyone to use. AMSER is funded by the National Science Foundation as part of the National Science Digital Library, and is being created by a team of project partners led by Internet Scout. The cells of an onion contain sulphuric compounds and other enzymes. When you cut into an onion, they mix, forming sulfenic acids, which in turn becomes a gas. It is that gas that irritates your eyes. Username: Password: p.oid-header { display: none; } label.oid-provider { display: inline-block; margin-top: 12px; font-weight: normal; } select.oid-provider { display: inline-block; float: none; width: 73px; font-size: 1em; } div.oid-namegroup { display: inline; margin: 0; padding: 0; } label.oid-name { margin: 0; font-weight: normal; } input.oid-name { display: block;width: auto; margin-bottom: 5px; border: none; } input.oid-submit { display: none; } Manage your resources Save, organize, and share resources that you find. Subscribe to bulletins Automatically be notified about new resources that match your interests. It's easy, fast, and FREE! Have a favorite applied math or science site you want others to know about? SUGGEST aNEW RESOURCEto add to AMSER