Articles written for the GLP list the source as Genetic Literacy Project. All other articles were written for the sources noted with excerpts provided by the GLP.
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Searching for alien life: Why we shouldn’t ignore low-oxygen ‘dead planets’

Scientific American | 
Until recently, little was known about oxygen’s abundance in the atmosphere [when] microbes were the only life on the planet ...
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What caused the 60-million-year insect fossil gap?

Scientific American | 
Insects are everywhere—in the air, on the ground, in the ground, and sometimes in your house and food. Yet there ...