There appears to be a [broken link](http://www.skymind.com/~ocrow/python_string/) in [notebooks/FASTA.ipynb](https://github.com/BenLangmead/comp-genomics-class/blob/9cedf0d500c492d8f4a262accacdd51253f6c5f0/notebooks/FASTA.ipynb).
