Thanatology is the science which deals with –
Thanatollogy is the academic and often scientific, study of death among human beings.
It investigates the circumstances surrounding a persons' death, the grief experienced by the deceased’s loved ones, and larger social altitudes towards death such as ritual and memorialization.
Thanatophobia is known as fear of death.
Death in its aspects
Identification of the living
Solving paternity of the child
Detection of life