Files & File Systems: Crash Course Computer Science #20 7/12/2017 | 11m 42sVideo has Closed Captions| CC Today we’re going to look at how our computers read and interpret computer files.

Researchers in New York found a way to use DNA like a computer hard drive, successfully storing, replicating and retrieving digital files from DNA strands.

A pair of incriminating movies were found on Johnson’s office computer, even though he had apparently used a program called “ Evidence Eliminator ” to wipe 12,000 files from its hard drive.

If you can't open a file on your computer, don't give up right away. These tricks will give you a fighting chance of accessing or recovering its contents.