We tend to think that people are more to blame for their acts than for their omissions.

Most of the robots being developed for home use are functional in design - Gecko's homecare robot looks rather like the Star Wars robot R2-D2. Honda and Sony are designing robots that look more like the same movie's 'android' C-3PO.

To make sustainable progress in reducing extreme poverty will require improvements in both the quantity and quality of aid.

Every profession will have its rogues, of course, no matter what oaths are sworn, but many health care professionals have a real commitment to serving the best interests of their clients.

Robots already perform many functions, from making cars to defusing bombs - or, more menacingly, firing missiles. Children and adults play with toy robots, while vacuum-cleaning robots are sucking up dirt in a growing number of homes and - as evidenced by YouTube videos - entertaining cats.

I think ethics is always there; it's not always a very thoughtful or reflective ethics.

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

As we realize that more and more things have global impact, I think we're going to get people increasingly wanting to get away from a purely national interest.

What is faith? If you believe something because you have evidence for it, or rational argument, that is not faith. So faith seems to be believing something despite the absence of evidence or rational argument for it.