A major thrust of neuroscience has been the use of fMRI to correlate brain activity with thinking and to draw conclusions about the physical basis of the mind.
An international team reasoned there had to be a purpose for sleep. In one of the largest datasets ever collected, they believe they found two functions.
Watches are everywhere on the heath. Look up, look down, look inside; biology runs on time.
Dying actually begins at conception. From the moment of conception the directions for a person’s demise are passed on to every cell.
No one knows how apoptosis came to be, although there are theories. Even the simplest of animals are programmed for it.