More often there's a compromise between ethics and expediency.

In my world of the people who study war and defense issues, we simply did not talk about robotics. We do not talk about it because it's seen as mere science fiction. It's cold, hard, metallic reality.

But I think the majority of cows, and even more so chickens and pigs, are leading pretty miserable lives.

Effective altruism is the form of altruism in which we bring our rational capacities to bear in order to do the most good that we can.

According to the Dominant Western tradition, the natural world exists for the benefit of human beings.

Of those who die from avoidable, poverty-related causes, nearly 10 million, according to UNICEF, are children under five. They die from diseases such as measles, diarrhoea, and malaria that are easy and inexpensive to treat or prevent.

At present scientists do not look for alternatives simply because they do not care enough about the animals they are using.