I don't agree with the article's title that these "cannot be explained" but I do think they're of greater interest and credibility than the alleged Golden Plates and the Book of Abraham papyri.
There is also much to learn (and history to rewrite) to account for these peoples:
http://www.smithsonianmag.com/history/g ... -83613665/
And, unlike the Jaredites and Nephites, we can demonstrate that they existed.
