so let me get this straight.
Watchtower "new light" = baaaaaaaaaad
Mormon "new light = baaaaaaaaaaad
Scientific "new light" = gooooooood
Well the first two aren't backed by anything, its just made up. Science, as pointed out above, is about discovering new facts. This isn't a new version of a myth, its a better understanding of the real world. When I was a kid, Jupiter had twelve moons. Now it has about 40 because we can see them through better instruments and satelittes.