Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
Human brains are three times larger, are organized differently, and mature for a longer period of time than those of our closest living relatives, the chimpanzees. Together, these characteristics are important for human cognition and...
Paleoneurologists analyze internal casts (endocasts) of fossilized brain cases, which provide information about the size, shape and, to a limited degree, sulcal patterns reproduced from impressions left by the surface of the brain. When...
The Liang Bua hominins from Flores, Indonesia, have been the subject of intense scrutiny and debate since their initial description and classification in 2004. These remains have been assigned to a new species, Homo floresiensis, with...
In The Better Angels of Our Nature: Why Violence has Declined, psychologist Steven Pinker cites mean ratios of war (battle) deaths suffered annually per 100, 000 individuals as evidence for concluding that people who live in states are...
Czech’s claims that my paper abounds with mistranslations, misrepresentations, and factual errors are refuted point-by-point, as is his declaration that the paper contains no relevant or new evidence. Asperger’s statements that Franz...
The Liang Bua hominins from Flores, Indonesia, have been the subject of intense scrutiny and debate since their initial description and classification in 2004. These remains have been assigned to a new species, Homo floresiensis, with...
Upon his death in 1955, Albert Einstein's brain was removed, fixed and photographed from multiple angles. It was then sectioned into 240 blocks, and histological slides were prepared. At the time, a roadmap was drawn that illustrates the...
Recent allegations that pediatrician Hans Asperger legitimized Nazi policies, including forced sterilization and child euthanasia, are refuted with newly translated and chronologically-ordered information that takes into account Hitler’s...
Fossil and comparative primatological evidence suggest that alterations in the development of prehistoric hominin infants kindled three consecutive evolutionary-developmental (evo-devo) trends that, ultimately, paved the way for the...
In 1925, a Nature paper reported an African fossil of a previously unknown genus called Australopithecus. This finding revolutionized ideas about early human evolution after human ancestors and apes split on the evolutionary tree.
The only direct source of information about hominin brain evolution comes from the fossil record of endocranial casts (endocasts) that reproduce details of the external morphology of the brain imprinted on the walls of the braincase...
There are stars and Earth-like planets believed to be over 10 billion years in age. “Water worlds” and moons that contain salty oceans may be commonplace in this galaxy. The evolution of cetaceans and primates may provide some clues as...
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