“The Horror of the Heights” (1913) was a story by Arthur Conan Doyle where a bold aviator in the…

&ldquo;The Horror of the Heights&rdquo; (1913) was a story by Arthur Conan Doyle where a bold aviator in the early days of flight becomes curious about why pilots seem to die between 30,000 and 40,000 feet. When he goes up there himself, he discovers the reason: around a high enough altitude, there are &ldquo;air jungles,&rdquo; entire unearthly ecosystems of lighter than air and semisolid life…