Nearly two decades have passed since a coronavirus known as SARS emerged in China, killing hundreds of people and creating severe panic that sent a chill through the global economy.
The importance of creativity and innovation for the sustainable development of a society is widely recognised today.
Human genes help make them unique as the basis for inheritance. They are passed from parent to offspring and hold the DNA, the instruction for making proteins which do most of the work in cells.
At present, the global population of senior citizens is growing significantly faster than the population as a whole.
Climate change is one of the most complex challenges of this century.