Public trust is a vital condition for artificial intelligence to be used productively.

It is important to recognise that, alongside the huge benefits that artificial intelligence offers, there are potential ethical issues associated with some uses.

As medical data has such power to deliver better understanding of disease and better patient outcomes, it is important we find the best way of sharing it.

We may know the chemical structure of medicinal drugs, but we frequently have a very incomplete understanding of how they work.

After 9/11, a few hundred CIA and Special Operations personnel, backed by airpower and Afghan militias, devastated Taliban and al-Qaeda forces. That effort has since turned into a conventional Pentagon nation-building exercise and gone backward.

I had my masters in public health, and the goal was to be a doctor, and organic chemistry let me know that that was not going to happen, as did my fear of blood.

To the millions of Americans who've attempted to use HealthCare.gov to shop and enroll in health-care coverage, I want to apologize to you that the Web site has not worked as well as it should. We know how desperately you need affordable coverage.

In a perfect world, there would be freedom of religion and freedom for all religions to exercise their religion everywhere.