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Although there exist in the world today some microbes of the soul, such as discrimination and aggression, science was and still is the core of progress for humanity and the continuity of civilization.
Egypt does not possess rich natural resources. Its agricultural area is relatively small - less than 10 per cent of the total land. Its growth relies on tourism, Suez Canal tariffs, and foreign investment.
When Mohamed Morsi was elected president of Egypt in 2012, many in the country, including me, were hopeful that he would become a democratic president for all Egyptians - not only for the Muslim Brotherhood.
When I was a boy in Desuq, Egypt, a city on the Rosetta branch of the Nile, about 50 miles east of Alexandria, my family lived steps away from the local landmark, a mosque named for a 13th-century Sufi sheik.
In the 1960s, I personally lived the resounding impact of President Nasser's vision of constructing Aswan's High Dam as a 'national project' for controlling the Nile irrigation and the production of electricity.
Once we understand how molecules are formed, we can manipulate them. If you can manipulate molecules, you can manipulate genes and matter, you can synthesize new material - the implications are just unbelievable.
Syria is the proud heir of an ancient civilization that has a unique spectrum of minorities that encompasses Muslims and Christians of various denominations. There are at least ten such ethnic and religious groups.
It turns out all molecular and biological systems have speeds of the atoms move inside them; the fastest possible speeds are determined by their molecular vibrations, and this speed is about a kilometre per second.
I left Egypt in 1969 for graduate school at the University of Pennsylvania. I have been on the faculty at Caltech for 37 years and carried dual citizenship for 31. But my commitment to the country of my birth never wavered.
In addition to the peace treaty between Egypt and Israel, which is crucial to U.S. interests both domestically and in the Middle East, the U.S. has had and will continue to need Egypt's collaboration in the war on terrorism.
In adapting to life in the melting pot of America, I discovered that the same soft power of science has a huge influence in building bridges between cultures and religions - and has the potential to do so with the Muslim world.
Syria may appear to be a small country, but it is just the type of entangled conflict that can lead to a world catastrophe. It does not take much imagination to see Syria as the Sarajevo of the 21st century, leading to world war.
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.
The family's dream was to see me receive a high degree abroad and to return to become a university professor - on the door to my study room, a sign was placed reading 'Dr. Ahmed,' even though I was still far from becoming a doctor.
The U.S. can still maintain research institutions, such as Caltech, that are the envy of the world, yet it would be hubristic and naive to think that this position is sustainable without investing in science education and basic research.
The Muslim Brotherhood and the Salifist parties are a real force in the Egyptian society. No civil, liberal government can succeed, even after new elections, if the Islamists are forced to work underground as a foe and the country remains divided.
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.
Molecules A and B meet, marry, and beget the species. This takes place in one-millionth of a billionth of a second. This is a fundamental process in nature, and the world was looking for a way to be able to see the process. But many brilliant people said it couldn't be done.
After World War II, scientific research in the U.S. was well supported. In the 1960s, when I came to America, the sky was the limit, and this conducive atmosphere enabled many of us to pursue esoteric research that resulted in America winning the lion's share of Nobel Prizes.
As recently as the September 11 event, the majority of Muslims were, as the rest of the world was, against its violence. However, if despair and humiliation continue in the population of more than one billion Muslims, the world will face increasing risks of conflicts and wars.
I teach at Caltech and oversee a research laboratory there. In general, I find that the majority of young people are excited by the prospects of research, but they soon discover that in the current market, many doctorate-level scientists are holding temporary positions or are unemployed.
The so-called Arab Spring has proved that the fall of a Mubarak-like presidency does not mean the immediate rise of democracy. In spite of this, I am confident that Egypt will not return to an authoritarian governing system again, and that, with some time, it will achieve its democratic goals.
Although the Nasser revolution of 1952 was secular, the culture remained deeply religious - but it was a faith of moderation and tolerance. Women made up nearly half my class at university, and my senior academic adviser there was a woman. In Alexandria, my friends were Christians and Muslims.
In the 1970s, what I, as a young foreign student studying in the United States, found most dynamic, exciting and impressive about this country is what much of the world continues to value most about the U.S. today: its open intellectual culture, its great universities, its capacity for discovery and innovation.
Shortly after Sisi was elected, his administration announced cuts of 'subsidies' on natural gas and energy consumption and lowered those for bread and other goods. Such action was taboo during the Mubarak and Sadat presidencies for over half a century, but Sisi was able to convince Egyptians he was taking necessary action.