I think we still have to depend on those writers and artists to do their part," he says."Just like racecar driving: no push, no change.

Many engineering disciplines rely on supercomputers to simulate complicated physical phenomena - how cracks form in building materials, for instance, or fluids flow through irregular channels.

Although gastrointestinal (GI) turmoil can sour one's moods, everyday emotional well-being may rely on messages from the brain below to the brain above.

Hopes for global growth, he and other participants said, will continue to rest on fast-developing countries such as India and China.

Security is definitely an important part of life, our survival depends on it.