An older article, but interesting.
https://www.smithsonianmag.com/smithsonian-institution/how-scientists-resolved-mystery-devils-corkscrews-180973487/?utm_source=facebook.com&utm_medium=socialmedia&fbclid=IwAR2tHSPO0e7QJmD_SQkiHrqs8F0MPdQdqC4HfTNkWW1h7B9Zk1c1S5lIxCk