DNA Has Four Bases. Some Viruses Swap in a Fifth.
Quanta Science Podcast - A podcast by Quanta Magazine - Wednesdays
The DNA of some viruses doesn't use the same four nucleotide bases found in all other life. New work shows how this exception is possible and hints that it could be more common than we think. Read more at QuantaMagazine.org. Music is "Hidden Agenda" by Kevin MacLeod.
