A police officer portrays an active shooter with an assault rifle loaded with dummy rounds.
AP Photo/Charles Krupa
While emergency drills may help schools feel safer, they contain underlying and often unintended moral messages about the nature of school and life itself.
A shepherd with his flock in the Netherlands.
Humans have long been trying differentiate themselves from the rest of the biological world. Is it because we're superior, or just insecure?
Indigenous Referendum Council co-chairs Mark Leibler and Pat Anderson.
Social and economic inequality is a serious threat to the sustainability of liberal democracy. It cannot be addressed by declaring that identity claims are democratically suspect.
Large-scale adoption of a plant-based diet could have a great impact on climate change mitigation and anti-microbial efficacy.
Individually rational actions can lead to collectively undesirable outcomes. Rethinking our individual moral obligations as forming part of a collective pattern of action can lead to positive change.
Modern surveillance cameras can use artificial intelligence to identify targets.
Technology isn't value-neutral. Unless we understand the ethical assumptions behind our technology, we can't trust the solutions it offers.
Al Gore’s climate change advocacy was rejected out of hand by his political opponents.
Too often, we automatically dismiss ideas with unsettling implications. We need to focus on evidence, and on ordinary fairness and compassion towards others.
Facebook’s algorithm is based on pleasing rather than challenging users.
We are not yet "post-truth", but truth-telling remains vital in sustaining open and democratic societies.
Jean-Baptiste Greuze, Broken Eggs (1756).
The greatest moral challenge of our time is our flawed conception of morality itself.
Immigrants and activists demonstrate in front of the Republican Party headquarters in Washington.
AP Photo/Luis Alonso Lugo
Conservatives on migration claim that allowing the DACA recipients to stay shows disrespect for the law. The moral principles that underlie the American legal system, however, tell a different story.
The 2014 film Ex Machina explored a dystopian vision of what could happen in a world where humans empathise with robots.
Lionsgate Home Entertainment
When we include someone (or something) in our moral circle we feel a sense of moral obligation for their treatment. But the factors determining who is in or out are more complicated than you may think.
Oxfam: under pressure.
Oxfam East Africa/flickr.com
Power imbalances and inequality lie at the heart of the international development industry. But the Oxfam scandal shows that organisations mustn't succumb to it.
Muslims pray at the Kofar Mata Central Mosque in Kano, Northern Nigeria. Liberal and fundamentalist Islam are in a contest of legitimacy in the region.
The debate around photos of two Nigerian Salafi clerics taken in London wasn't a trivial conversation about dress and recreational choices. It was loaded with symbolism.
Schools have a duty to teach children morality, but which moral values should they teach?
A team of technologists have joined forces with doctors, lawyers, economists and philosophers to make technology ethical.
A report released today by the world’s largest technical professional organisation is designed to help humanity avoid a robot apocalypse.
Simple living in a complex time – is a return to frugality the key to happiness?
William Isdale speaks with Emrys Westacott about how living simply can bring happiness in an increasingly complex world.
All the world's major religions are concerned with moral behavior. But research shows little evidence that religious people are more ethical than atheists.
Archbishop Tutu teaches that punishing wrongdoers, with an eye for an eye, is unjustified.
Filckr/UN Photo/Jean-Marc Ferre
Archbishop Bishop Desmond Tutu is well known for having invoked an ubuntu ethic to evaluate South African society, and he can take substantial credit for having made the term familiar.
Victorian MPs are about to debate an assisted dying bill. How can they sift through competing claims?
There is now a reputable body of research evidence from places that have introduced assisted dying, and MPs must examine that evidence before deciding how they will vote.
To honour the legacy of Nelson Mandela, South Africa could do with its citizens becoming more active in driving development - particularly efforts to tackle poverty an inequality.
Moral disputes are a product of independent minds with independent agendas. Thus, there is little reason to see ourselves as unbiased sources of righteousness.