Why you can smell rain | Earth

By Tim Logan,
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<blockquote class="wp-embedded-content" data-secret="Mv6tdmkxlo"><a href="https://earthsky.org/earth/what-is-smell-of-rain-petrichor/">Why you can smell rain</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://earthsky.org/earth/what-is-smell-of-rain-petrichor/embed/#?secret=Mv6tdmkxlo" width="600" height="400" title="&#8220;Why you can smell rain&#8221; &#8212; EarthSky" data-secret="Mv6tdmkxlo" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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