Superior advice from a science blog that's guaranteed to remind you what science is supposed to be. There's no such thing as "settled science", not in climate study, not in genetics, not even when it comes to Neanderthals. But this maxim is applicable to ev.er.y.thing:
Hawks' Paleoanthropology Advice, #1:
"If it's been a while since you looked at it, look again. It may look different. It hasn't changed. You have."