Princeton bioethicist Peter Singer writes the article I wanted to write: Global Justice and Military Intervention . As is so often the case,...

A tiny portion of a Hall Weather Machine at 90,000 ft. This density may be able to ameliorate global warming/cooling, but would not be ...

Apropos of Mahmoud Ahmadinejad's deranged speech today to the United Nations General Assembly , I reiterate my conviction that this man ...

David Brin is a Sentient Developments guest blogger. In the 1/1/24 edition of the Silicon Valley newspaper and online journal Metroactive, ...

Soon after the end of the Cold War, U.S. President George H. W. Bush declared that a new era had opened up in which he hoped that his count...

For a guy who declared the ' end of history ' nearly 20 years ago, political scientist Francis Fukuyama has a lot to say about the ...

During the election campaign, as Barack Obama and John McCain argued about what to do with Iran, much of the world wondered how the U.S. wil...

Undoubtedly. With billions of people distracted by the Olympics it was a perfect opportunity for the Russians to instigate one of the most s...

A number of SentDev readers put me to task on my claim that Iranian President Mahmoud Ahmadinejad should have been arrested upon his recen...

My jaw hit the floor when I learned that Iranian President Mahmoud Ahmadinejad delivered a speech at Columbia University today. Say what? T...