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As NASA’s Artemis II mission completed its lunar flyby, the astronauts sent back a stunning image of the colorful Earth setting behind the moon. This breathtaking photo, called Earthset, draws inevitable comparisons with the original [...] -
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The big idea For people living near busy highways, using air filters indoors results in short-term improvements to blood pressure, according to a new study I co-authored. Next to busy highways and major roadways, there are high concentrations [...] -
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