https://www.youtube.com/watch?v=7ESK5SaP-bc (https://www.youtube.com/watch?v=7ESK5SaP-bc)Codewars: Achieve mastery through challenge (https://www.codewars.com/)CS50x 2021 (https://cs50.harvard.edu/x/2021/)Trie (https://en.wikipedia.org/wiki/Trie)https://www.youtube.com/watch?v=oaCinQIy8MI (https://www.youtube.com/watch?v=oaCinQIy8MI)The Newick tree format (https://evolution.genetics.washington.edu/phylip/newicktree.html)How to root a phylogenetic tree (http://cabbagesofdoom.blogspot.com/2012/06/how-to-root-phylogenetic-tree.html)Reconstruction:Proto-Indo-European/ǵenh₁- (https://en.wiktionary.org/wiki/Reconstruction:Proto-Indo-European/%C7%B5enh%E2%82%81-)*ǵenh - (https://prezi.com/xf8pybiccaru/?token=666acc95c244911a9dc4dca04b7ebb8ec8b97edc5ac96c605c6dd23f69caa971)Floppy disk (https://en.wikipedia.org/wiki/Floppy_disk)Magnetic tape (https://en.wikipedia.org/wiki/Magnetic_tape)