Aging

Understanding your chronological age is simple: it's the number of years that you have lived. Unfortunately, on that front, there's not much we can do to turn back the clock. Your biological age or physiological age, on the other hand,...

Most of our conceptions of human life in the 21st century will be turned on their head. Not the least of these is the belief in the inevitability of death. As we succeed in understanding the genome and the proteome,...