[staycoolboy]

I thought the human genome was mapped in 2003, when the Human Genome Project wrapped up: https://en.wikipedia.org/wiki/Human_Genome_Project

What's different about this?

[arm85]

https://news.ycombinator.com/item?id=23852177 explains it, with a quote from the article. They weren't able to map the whole thing, because of repeating patterns. That's now starting to change.