Relative and absolute dating powerpoint

It can mean the unending existence of a person from a physical source other than organic life, such as a computer.Active pursuit of physical immortality can either be based on scientific trends, such as cryonics, digital immortality, breakthroughs in rejuvenation or predictions of an impending technological singularity, or because of a spiritual belief, such as those held by Rastafarians or Rebirthers.Cryonics holds out the hope that the dead can be revived in the future, following sufficient medical advancements.While, as shown with creatures such as hydra and planarian worms, it is indeed possible for a creature to be biologically immortal, it is not known if it is possible for humans.For example, various branches of Christianity have disagreeing views on the soul's immortality and its relation to the body.Physical immortality is a state of life that allows a person to avoid death and maintain conscious thought.Mind uploading is the transference of brain states from a human brain to an alternative medium providing similar functionality.Assuming the process to be possible and repeatable, this would provide immortality to the computation of the original brain, as predicted by futurists such as Ray Kurzweil.

Bring relative dating principles to life with the activity Rock layers and relative dating.Different species of ammonites lived at different times within the Mesozoic, so identifying a fossil species can help narrow down when a rock was formed.Correlation can involve matching an undated rock with a dated one at another location.Such issues can be resolved with the solutions provided in research to any end providing such alternate theories at present that require unification.Aubrey de Grey, a leading researcher in the field, defines aging as "a collection of cumulative changes to the molecular and cellular structure of an adult organism, which result in essential metabolic processes, but which also, once they progress far enough, increasingly disrupt metabolism, resulting in pathology and death." The current causes of aging in humans are cell loss (without replacement), DNA damage, oncogenic nuclear mutations and epimutations, cell senescence, mitochondrial mutations, lysosomal aggregates, extracellular aggregates, random extracellular cross-linking, immune system decline, and endocrine changes.

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