What is ground truth anyway?

From facts to fake-news how do we build real knowledge and overcome our own biases?

Viruses, climate change, vaccines, trade policy, we now live in an environment where virtually any position and knowledge will be challenged, even when most experts agree. Unfortunately getting people to agree on who the experts are is just as hard as agreeing on whatever it is they might be experts about. Yet we must use experts or we will fail in cases where specialized knowledge is truly needed. We wouldn’t ask just anyone to do…