Replicability is the hallmark of science. Science values replication so much that as long a study is sufficiently replicated, the claims it makes are considered valid even if they conflict with accepted theories. We trust scientific findings because experiments repeated under the same conditions...

We’ve all heard about ambition, but who can definitively say they know what it is? Some philosophers have seen ambition as virtuous, some have seen it as pernicious. Does ambition merely produce outward success with only little personal fulfillment or are there are positive outcomes of ambition?...