Cognitive psychologists know the way our minds work means we not only don't notice errors and misinformation we know are wrong, we also then remember them as true.
The best defence against post-truth politics is not 'the truth'. Democracy should resist the political tyranny of claims to some immutable truth as a basis for governing the lives of others.
Perception of truth and lies changes between languages for bilingual speakers.
Dealing with a co-worker or manager who says demonstrably false things can be a challenge, particularly at holiday office parties. Here's a guide to handle a colleague in denial.
As Orwell knew only too well, if the concept of objective truth is moved into the dustbin of history there can be no lies. And if there are no lies there can be no justice, no rights and no wrongs.
Will the arrival and popularity of Oculus Go and other VR systems make us think differently about alternative realities and so-called alternative facts?
We gave four scholars from different disciplines a chance to offer their opinions on this important question.
People universally believe scientists' solar eclipse calendars, but vaccine warnings or climate predictions are forms of science that strangely do not enjoy equivalent acceptance.
Thoreau spent his life pursuing the 'hard bottom' of truth. But he confronted a sensationalist newspaper industry that, in many ways, mimicked today's media environment.
Pundits have been keen to link post-truth to post-modernists, post-positivists or any other 'postie'. They should turn their energy to forming a real popular front against Trump's faux populism.
Beneath simple labels like post-truth, alternative facts and fake news is a complex set of issues. Any debate about the problems needs to start from some common points of reference.
What you end up remembering isn’t always what you have witnessed.
The road to reconciliation doesn't begin and end with truth commissions or trials. Change must occur at a systemic level, and communities must commit to rebuilding relationships.
Establishing what happened to lost relatives and brutalised populations is a moral imperative.
How to define the public role of universities in the age of post-truth populism.
Alternate realities don't just exist in politics – and not all falsehoods are lies. Distortions of the truth can range from a normal part of human nature to pathological.
How do we determine what is fact? An archaeologist explains how the answer has changed over time and why it matters so much now.
People who read false news items come to believe them – even if they know better. It doesn't help to know the source is unreliable or the report has been debunked.
If people can be conned into jeopardizing our children's lives, as they do when they opt out of immunizations, could they also be conned out of democracy?
We now find ourselves in a 'post-truth' environment, trying to find meaning in dumbed-down democracy. How did we get here?