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Recognizing scientific literacy and illiteracy

Scientific literacy – what it is, how to recognize it, and how to help people achieve it through educational efforts, remains a difficult topic. The latest attempt to inform the conversation is a recent National Academy ...

dateOct 18, 2016 in Other
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Preparing to study the epoch of reionization

The epoch when the very first stars appeared is a key period of cosmic history. These stars began the manufacture of the chemical elements (those heavier than hydrogen and helium) and their light began the reionization of ...

dateOct 10, 2016 in Astronomy
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What is galactic evolution?

On a clear night, you can make out the band of the Milky Way in the night sky. For millennia, astronomers looked upon it in awe, slowly coming to the realization that our Sun was merely one of billions of stars in the galaxy. ...

dateOct 07, 2016 in Astronomy
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The secret lives of long-lived particles

The universe is unbalanced. Gravity is tremendously weak. But the weak force, which allows particles to interact and transform, is enormously strong. The mass of the Higgs boson is suspiciously petite. And the catalog of ...

dateOct 03, 2016 in General Physics
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