• Dark Energy, Dark Matter - NASA Science
  Eventually theorists came up with three sorts of explanations. Maybe it was a result of a long-discarded version of Einstein's theory of gravity, one that contained what was called a "cosmological constant." Maybe there was some strange kind of energy-fluid that filled space. Maybe there is something wrong with Einstein's theory of gravity and a new theory could include some kind of field that creates this cosmic acceleration. Theorists still don't know what the correct explanation is, but they have given the solution a name. It is called dark energy.
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• Dinosaur Plague
  NOVA science NOW segment about a couple who study amber and found insects in amber with blood (like Jurassic Park). Blood carried preserved pathogens like malaria, leschmaiasis. They theorize that by time of asteroid impact 65 mya dinosaurs may have been on their last legs...or gone.
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• Introduction to Ethical Theory
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• ISU Bioethics Outreach--Constructing ethical theory
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• Revised Bloom's Taxonomy Blooms Digitally
  Seems to be a great resource of understanding and applying Lorin Anderson's "Revised" Bloom's Taxonomy to learning. Includes nice graphics and discussion of higher-order thinking.
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