We must address, individually and collectively, moral and ethical issues raised by cutting-edge research in artificial intelligence and biotechnology, which will enable significant life extension, designer babies, and memory extraction.

For centuries, economic thinkers, from Adam Smith to John Maynard Keynes, have tried to identify the elusive formula that makes some countries more prosperous and successful than others. My curiosity about this topic spurred me, as a young professor of economics in the late 1970s, to research new ways of measuring national competitiveness.

It was a hallmark of Nelson Mandela's leadership that being open to change made him appear not weaker, but even stronger.

I am a great enthusiast and early adopter of technology, but sometimes I wonder whether the inexorable integration of technology in our lives could diminish some of our quintessential human capacities, such as compassion and cooperation.

My dad joined Langley in 1964 as a co-op student and retired in 2004 an internationally respected climate scientist.

There are grave misgivings that the discussion on ecology may be designed to distract attention from the problems of war and poverty.

Our lifestyle, our wildlife, our land and our water remain critical to our definition of Wyoming and to our economic future.

Issues relating to global health and sustainability must stay high on the agenda if we are to cope with an ageing and ever-increasing population, with growing pressure on resources, and with rising global temperatures. The risks and dangers need to be assessed and then confronted.