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Dallas McPheeters

Newly Discovered Protein Function Linked to Breast Cancer | UANews.org - 9 views

  • he researchers report their findings in the advance online publication of the Nature Cell Biology July issue. The cells in our bodies constantly sense their environment and respond appropriately. For example, if pathogens invade the body, cells will respond by generating an inflammatory environment to fight the pathogen. This is achieved by intricate molecular circuits within cells that sense and relay external signals and orchestrate the cellular response. Aberrant functioning of these cellular switch boards can lead to diseases including autoimmune disorders and cancer. In the study, an the scientists set out to better understand the molecular workings underlying inflammation. Inflammation, the body's primary line of defense against disease-causing microbes and parasites, is a highly complex and tightly regulated biochemical process involving a myriad of specialized cells communicating with each other through an arsenal of signaling molecules.
    • Dallas McPheeters
       
      Excellent explanation of how cells communicate in the human body.
Holly Barlaam

Cow Digestion - 67 views

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    How a cow makes milk and meat from things we cannot eat! Super cute animation showing a cow's four stomachs. Students will especially like the cow pie part. :)
Joanne Ivarson

Virtual Field Trips | SimpleK12 - 26 views

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    Simplek12's long list of virtual field trips
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    A large collection of links to virtual "field trips". Not sure they all technically fall under the "field trip" classification, but it is a good collection of sites nonetheless. Covers all subject areas, but here are some examples for science: biomes, biomes of North America, clouds, constellations, Mars, microbe zoo, and many more.
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    Pretty good listing of virtual field trips put together by subject area.
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    Virtual field trips
Jay Swan

Microbial Life - Educational Resources - 38 views

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    From the site: "This site contains a variety of educational and supporting materials for students and teachers of microbiology. You will find information about microorganisms, extremophiles and extreme habitats, as well as links to online provides information about the ecology, diversity and evolution of micro-organisms for students, K-12 teachers, university faculty, and the general public. "
D. S. Koelling

Font Size May Not Aid Learning, but Its Style Can, Researchers Find - NYTimes.com - 110 views

  • Is it easier to remember a new fact if it appears in normal type, like this, or in big, bold letters, like this?
  • Font size has no effect on memory, even though most people assume that bigger is better. But font style does.
  • New research finds that people retain significantly more material — whether science, history or language — when they study it in a font that is not only unfamiliar but also hard to read.
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  • “So much of the learning that we do now is unsupervised, on our own,” said Robert A. Bjork, a psychologist at the University of California, Los Angeles, “that it’s crucial to be able to monitor that learning accurately; that is, to know how well we know what we know, so that we avoid fooling ourselves.”
  • “Studying something in the presence of an answer, whether it’s conscious or not, influences how you interpret the question,” Dr. Bjork said. “You don’t appreciate all of the other things that would have come to mind if the answer weren’t there. “Let’s say you’re studying capitals and you see that Australia’s is Canberra. O.K., that seems easy enough. But when the exam question appears, you think: ‘Uh oh, was it Sydney? Melbourne? Adelaide?’ ” That’s why some experts are leery of students’ increasing use of online sites like Cramster, Course Hero, Koofers and others that offer summaries, step-by-step problem solving and copies of previous exams. The extra help may provide a valuable supplement to a difficult or crowded course, but it could also leave students with a false sense of mastery. Even course outlines provided by a teacher, a textbook or other outside source can create a false sense of security, some research suggests. In one experiment, researchers found that participants studying a difficult chapter on the industrial uses of microbes remembered more when they were given a poor outline — which they had to rework to match the material — than a more accurate one.
  • a cognitive quality known as fluency, a measure of how easy a piece of information is to process.
  • On real tests, font size made no difference and practice paid off, the study found.
  • And so it goes, researchers say, with most study sessions: difficulty builds mental muscle, while ease often builds only confidence.
  • To test the approach in the classroom, the researchers conducted a large experiment involving 222 students at a public school in Chesterland, Ohio. One group had all its supplementary study materials, in English, history and science courses, reset in an unusual font, like Monotype Corsiva. The others studied as before. After the lessons were completed, the researchers evaluated the classes’ relevant tests and found that those students who’d been squinting at the stranger typefaces did significantly better than the others in all the classes — particularly in physics. “The reason that the unusual fonts are effective is that it causes us to think more deeply about the material,” a co-author of the study, Daniel M. Oppenheimer, a psychologist at Princeton, wrote in an e-mail. “But we are capable of thinking deeply without being subjected to unusual fonts. Think of it this way, you can’t skim material in a hard to read font, so putting text in a hard-to-read font will force you to read more carefully.” Then again, so will raw effort, he and other researchers said. Concentrating harder. Making outlines from scratch. Working through problem sets without glancing at the answers. And studying with classmates who test one another.
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    Students' raw effort improves learning [No surprise there, huh?]
Ann Steckel

Font Size May Not Aid Learning, but Its Style Can, Researchers Find - NYTimes.com - 0 views

  • “Studying something in the presence of an answer, whether it’s conscious or not, influences how you interpret the question,
  • participants studying a difficult chapter on the industrial uses of microbes remembered more when they were given a poor outline — which they had to rework to match the material
  • raw effort, he and other researchers said. Concentrating harder. Making outlines from scratch. Working through problem sets without glancing at the answers. And studying with classmates who test one another.
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    We know this- working with the material, incorporating it with that we already know takes time- time on task - if a weirder font makes us think about the material more, we'll remember more
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