Perfluorocubane is (as you would expect) weird
Derek Lowe's "Things I Won't Work With" entire series is both educational and highly amusing. This is another good article: <a href="https://www.science.org/content/blog-post/sand-won-t-save-you-time" rel="nofollow">https://www.science.org/content/blog-post/sand-won-t-save-yo...</a>