Our femtosecond snapshots can examine a molecule at discrete instants in time.

On Sunday August 5, 2012, I was among a group of people who witnessed the Rover landing on Mars in real time at NASA's Caltech-managed Jet Propulsion Laboratory in Pasadena.

There is no 'master plan' on the road to the Nobel Prize. It represents a lot of hard work, a passion for that work and... being in the right place at the right time. For me, that place was Caltech.

I am not one of the new media experts working all the time with my computers and the PowerPoints and things of that sort.

Some leaders think time will solve the problem. Their hope is that Assad's regime will ultimately fall from the heavy toll of the horrors it has spawned. From past experience with such regimes, this scenario is unlikely to happen.

Higher education should be based on quality, not quantity; receive merit-based funding; and be free of unnecessary bureaucracy. Not the least of the benefits of educational reform is to foster the pride of achievement at national and international levels.