<p>This week we talk about GPR or ground penetrating radar as Shannon considers buying one and asks what to look for.</p>

<h2>Fun Paper Friday</h2>

<ul>
<li>Do trees glow before lightning strikes?</li>
<li><a href="https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2025GL119591" target="_blank" rel="nofollow noopener">McFarland, P. J., et al. "Corona discharges glow on trees under thunderstorms." Geophysical Research Letters 53.4 (2026): e2025GL119591.</a></li>
</ul>

<h2>Contact us:</h2>

<p><strong>Show</strong></p>

<ul>
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</ul>

<p><strong>John Leeman</strong></p>

<ul>
<li><a href="http://www.johnrleeman.com" target="_blank" rel="nofollow noopener">www.johnrleeman.com</a></li>
<li><a href="https://twitter.com/geo_leeman" target="_blank" rel="nofollow noopener">@geo_leeman</a></li>
</ul>

<p><strong>Shannon Dulin</strong></p>

<ul>
<li><a href="https://twitter.com/ShannonDulin" target="_blank" rel="nofollow noopener">@ShannonDulin</a></li>
</ul>

John Leeman and Shannon Dulin discuss geoscience and technology weekly for your enjoyment! Features include guests, fun paper Friday selections, product reviews, and banter about recent developments. Shannon is a field geologist who tolerates technology and John is a self-proclaimed nerd that tolerates geologists.