What are zombie fires?

<p><strong>What are zombie fires? Thanks for asking!</strong></p><br><p>Believe it or not, some fires are able to smolder for months underneath snow, even when their flames have been extinguished above ground.</p><br><p>Researchers and forest rangers have been aware of the existence of these zombie fires in the Arctic Circle for many years now. But a study published in <em>Nature </em>magazine on May 19th revealed the full extent of the issue. It turns out the threat they pose to boreal forests and the climate as a whole is greater than we previously knew.</p><br><p><strong>How can a fire resist cold and ice?</strong> <a href="https://podcasts.ba-ba-bam.com/do-you-really-know/" rel="noopener noreferrer" target="_blank"><strong>In under 3 minutes, we answer your questions!</strong></a></p><br><p><strong>To listen to the last episodes, you can click here:</strong></p><p><a href="https://podcasts.ba-ba-bam.com/do-you-really-know/202105270300-what-are-molecular-scissors.html" rel="noopener noreferrer" target="_blank">What are molecular scissors?</a></p><p><a href="https://podcasts.ba-ba-bam.com/do-you-really-know/202105260300-what-fertility-cliff.html" rel="noopener noreferrer" target="_blank">What is the fertility cliff? </a></p><p><a href="https://podcasts.ba-ba-bam.com/do-you-really-know/202105230300-what-phantosmia.html" rel="noopener noreferrer" target="_blank">What is phantosmia?</a></p><br><p>A podcast written and realised by Joseph Chance.</p><br /><hr><p style='color:grey; font-size:0.75em;'> See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for privacy and opt-out information.</p>