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"There are holidays like Mother's Day, Earth Day, Thanksgiving Day. Even a Talk-Like-Shakespeare Day. But Friday is Pi Day. Really! It's official. The date March 14 (that is, 3/14) was designated Pi Day by House Resolution 224 of the first session of the 111th Congress of the United States. It begins "Whereas the Greek letter (Pi) is the symbol for the ratio of the circumference of a circle to its diameter," and is followed by 11 more whereases before it resolves to support the designation of "Pi Day" to encourage "schools and educators to observe the day with appropriate activities that teach students about Pi and engage them about the study of mathematics.""

"A couple of years ago NOVA aired a program called How Does the Brain Work? The show explored what scientists currently know about the human brain and the research that will help us to know more about the human brain in the future. One of the online supplements to How Does the Brain Work? is this interactive collection of images of brain scans. The collection of images, titled Mapping the Brain, allows you to choose from six imaging methods and choose the part(s) of the brain that you want to see highlighted in the scans."

"The Elements in Action takes a visual look at the periodic table, bringing the metals and gasses to life with engaging videos. It's an interesting look at the elements from BAFTA award winner Max Whitby and Theodore Gray, author of the popular book and app The Elements. The content is top-notch, taken from footage originally available only at museums."

"Share on facebookShare on twitterShare on emailShare on pinterest_shareMore Sharing Services2 Screen Shot 2013-12-11 at 12.02.54 PM Truss Me is an iPad app that students can use to design and test simple weight-bearing structures. Truss Me can be used in "challenge" mode or in "free play" mode. The challenge mode contains fifteen activities in which students are awarded points for strength and efficiency of their structures. For example, if a structure holds the weight but uses too many parts it doesn't receive as many points as a structure using fewer parts while supporting the same weight. Structures that won't work at all fall apart."

"Just how big is the universe, how small is an atom, and how long have we humans lived on Earth, compared with dinosaurs? Such answers are better learned with an iPad, according to a new study that shows just how tablets tap neurocognitive abilities that help students understand enormous scale and other difficult concepts."

"Being a relatively new concept, the definition of Maker Ed isn't exactly set in stone, though it roughly relates learning making making. What your definition of "making" is will likely help you form your definition of maker ed and learning through making, whether that be clay for sculpting, wood and saws for building, or apps for digital wares. The 21 kits below are a part of this movement, but they're also incredibly cool. They have less to do with making from scratch and more to do with making from pre-made materials (kits), but that doesn't make them any less useful for learning through play and creation. Oh, and we've got 2 or 3 books in there as well."