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Thomas Sebeok suggests that a similar list of properties for life may coincide with the definition of semiosis, i.e. that the test of whether something is alive, is a test to determine whether and how it communicates meaning to another of its kind, i.e., whether it has semiosis. This has been called the Sebeok's Thesis.
Whether or not viruses should be considered as alive is controversial. [ 35 ] [ 36 ] They are most often considered as just gene coding replicators rather than forms of life. [ 37 ] They have been described as "organisms at the edge of life" [ 38 ] because they possess genes , evolve by natural selection, [ 39 ] [ 40 ] and replicate by making ...
Disease is theoretically surmountable by technology. In short, it is an abnormal condition affecting the body of an organism, something the body should not typically have to deal with its natural make up. [23] Human understanding of genetics is leading to cures and treatments for a myriad of previously incurable diseases. The mechanisms by ...
What can my biological age tell me? In general, an (accurate) biological age can give you a look at your current health, Apsley says. “Having a higher predicted biological age than chronological ...
Discover how much you really know. Is there any way to tell if something is true or not? Without the benefit of a lie detector or Pinocchio’s growing nose, some sentences can leave you stumped.
The Copenhagen interpretation implies that, after a while, the cat is simultaneously alive and dead. Yet, when one looks in the box, one sees the cat either alive or dead, not both alive and dead. This poses the question of when exactly quantum superposition ends and reality resolves into one possibility or the other.
From the mid-18th century onwards, there was an upsurge in the public's fear of being mistakenly buried alive [43] and much debate about the uncertainty of the signs of death. Various suggestions were made to test for signs of life before burial, ranging from pouring vinegar and pepper into the corpse's mouth to applying red hot pokers to the ...
Legal death is the recognition under the law of a particular jurisdiction that a person is no longer alive. [1] In most cases, a doctor's declaration of death (variously called) or the identification of a corpse is a legal requirement for such recognition.