Myelin works in the same way that protective coverings work on electric wires.

VOA: special.2009.01.06

"The way the system is now works for no one. It doesn't work for the immigrants themselves, it doesn't work for the government and it doesn't even work for some employers."

VOA: special.2010.07.03

"North Korea fed its version of the story to the people, saying the reason Kim looks this way is not because he's lost his health, but because he works day and night for the people, visiting work sites and so on,"

VOA: standard.2009.12.30