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Small-plane fuel raises lead levels up to sevenfold near Oregon airports, study suggests

Emissions from aircraft that use leaded aviation gasoline are a significant source of environmental pollution in neighborhoods near regional airports, according to a new study by researchers at Oregon State University and Portland State University. The findings were published in Communications Sustainability.

Small-plane fuel raises lead levels up to sevenfold near Oregon airports, study suggests

We haven't written up this one. Phys.org has the full story — the link below goes straight to it.

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Space Math at NASA: Lunar Math

This problem set and educator’s guide from Space Math at NASA utilizes NASA photographs for scaling activities and mathematical modeling of the Moon’s mass and interior structure. It is useful for applying mathematical proportions and modeling techniques in space science contexts.

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