Question:
For the upcoming film about the superhero character, see Aquaman (film). Aquaman is a fictional superhero appearing in American comic books published by DC Comics. Created by Paul Norris and Mort Weisinger, the character debuted in More Fun Comics #73 (November 1941). Initially a backup feature in DC's anthology titles, Aquaman later starred in several volumes of a solo comic book series.
Aquaman's adventures continued to be published in Adventure Comics through the 1940s and 1950s, as one of the few superheroes to last through the 1950s in continuous publication. Starting in the late 1950s, new elements to Aquaman's backstory were introduced, with various new supporting characters added and several adjustments made to the character, his origins, his powers, and persona. The first of these elements was the story "Aquaman's Undersea Partner" in Adventure Comics #229 (October 1956), where his octopus sidekick, Topo, was first introduced. This and subsequent elements were later, after the establishment of DC's multiverse in the 1960s, attributed to the Aquaman of Earth-One.  In Adventure Comics #260 (May 1959) and subsequent Silver Age comics, it was revealed that Aquaman was Arthur Curry, the son of Tom Curry, a lighthouse keeper, and Atlanna, a water-breathing outcast from the lost, underwater city of Atlantis. Due to his heritage, Aquaman discovers as a youth that he possesses various superhuman abilities, including the powers of surviving underwater, communication with sea life, and tremendous swimming prowess. Eventually, Arthur decided to use his talents to become the defender of the Earth's oceans. It was later revealed that he had, in his youth, adventured as Aquaboy and on one occasion, met Superboy, Earth's only other publicly active superpowered hero at the time. When Arthur grew up, he called himself "Aquaman".  It was later revealed that after Atlanna's death, Tom Curry met and married an ordinary human woman and had a son named Orm Curry, Aquaman's half-brother. Orm grew up as a troubled youth in the shadow of his brother, who constantly bailed him out of trouble with the law. He grew to hate Aquaman not only for the powers that he could never possess but also because he believed that their father would always favor Aquaman. Orm disappeared after becoming an amnesiac and would resurface years later as Aquaman's nemesis, Ocean Master.  Aquaman's ability to talk with fish eventually expanded to full-fledged telepathic communication with sea creatures even from great distances. He also retroactively developed a specific weakness akin to Superman's vulnerability to kryptonite or Green Lantern's vulnerability to the color yellow: Aquaman had to come into contact with water at least once per hour, or he would die. Prior to this story, Aquaman could exist both in and out of water indefinitely.
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What else happened in the silver age?

Answer:
Due to his heritage, Aquaman discovers as a youth that he possesses various superhuman abilities, including the powers of surviving underwater,

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Hilary Whitehall Putnam (; July 31, 1926 - March 13, 2016) was an American philosopher, mathematician, and computer scientist, and a major figure in analytic philosophy in the second half of the 20th century. He made significant contributions to philosophy of mind, philosophy of language, philosophy of mathematics, and philosophy of science. At the time of his death, Putnam was Cogan University Professor Emeritus at Harvard University. He was known for his willingness to apply an equal degree of scrutiny to his own philosophical positions as to those of others, subjecting each position to rigorous analysis until he exposed its flaws.
Putnam's best-known work concerns philosophy of mind. His most noted original contributions to that field came in several key papers published in the late 1960s that set out the hypothesis of multiple realizability. In these papers, Putnam argues that, contrary to the famous claim of the type-identity theory, it is not necessarily true that "Pain is identical to C-fibre firing." Pain, according to Putnam's papers, may correspond to utterly different physical states of the nervous system in different organisms, and yet they all experience the same mental state of "being in pain".  Putnam cited examples from the animal kingdom to illustrate his thesis. He asked whether it was likely that the brain structures of diverse types of animals realize pain, or other mental states, the same way. If they do not share the same brain structures, they cannot share the same mental states and properties. The answer to this puzzle had to be that mental states were realized by different physical states in different species. Putnam then took his argument a step further, asking about such things as the nervous systems of alien beings, artificially intelligent robots and other silicon-based life forms. These hypothetical entities, he contended, should not be considered incapable of experiencing pain just because they lack the same neurochemistry as humans. Putnam concluded that type-identity theorists had been making an "ambitious" and "highly implausible" conjecture which could be disproven with one example of multiple realizability. This argument is sometimes referred to as the "likelihood argument".  Putnam formulated a complementary argument based on what he called "functional isomorphism". He defined the concept in these terms: "Two systems are functionally isomorphic if 'there is a correspondence between the states of one and the states of the other that preserves functional relations'." In the case of computers, two machines are functionally isomorphic if and only if the sequential relations among states in the first are exactly mirrored by the sequential relations among states in the other. Therefore, a computer made out of silicon chips and a computer made out of cogs and wheels can be functionally isomorphic but constitutionally diverse. Functional isomorphism implies multiple realizability. This argument is sometimes referred to as an "a priori argument".  Jerry Fodor, Putnam, and others noted that, along with being an effective argument against type-identity theories, multiple realizability implies that any low-level explanation of higher-level mental phenomena is insufficiently abstract and general. Functionalism, which identifies mental kinds with functional kinds that are characterized exclusively in terms of causes and effects, abstracts from the level of microphysics, and therefore seemed to be a better explanation of the relation between mind and body. In fact, there are many functional kinds, such as mousetraps, software and bookshelves, which are multiply realized at the physical level.

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Putnam cited examples from the animal kingdom to illustrate his thesis.