MediaWiki API result
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{ "compare": { "fromid": 1, "fromrevid": 1, "fromns": 0, "fromtitle": "Main Page", "toid": 1, "torevid": 2, "tons": 0, "totitle": "Main Page", "*": "<tr><td colspan=\"2\" class=\"diff-lineno\" id=\"mw-diff-left-l1\">Line 1:</td>\n<td colspan=\"2\" class=\"diff-lineno\">Line 1:</td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange\"><strong>MediaWiki has been installed.</strong></del></div></td><td colspan=\"2\" class=\"diff-side-added\"></td></tr>\n<tr><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-deleted\"><br></td><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-added\"><br></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange diffchange-inline\">Consult </del>the <del class=\"diffchange diffchange-inline\">[https://www</del>.<del class=\"diffchange diffchange-inline\">mediawiki</del>.<del class=\"diffchange diffchange-inline\">org/wiki/Special:MyLanguage/Help:Contents User's Guide] for information on using </del>the <del class=\"diffchange diffchange-inline\">wiki software</del>.</div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">=== Big History seeks to understand </ins>the <ins class=\"diffchange diffchange-inline\">integrated history of the Cosmos, Earth, Life, and Humanity, using the best available empirical evidence and scholarly methods</ins>. <ins class=\"diffchange diffchange-inline\">===</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">Beginning about 13</ins>.<ins class=\"diffchange diffchange-inline\">8 billion years ago, the story of the past is a coherent record that includes a series of great thresholds. Beginning with </ins>the <ins class=\"diffchange diffchange-inline\">Big Bang, Big History is an evidence-based account of emergent complexity, with simpler components combining into new units with new properties and greater energy flows</ins>.</div></td></tr>\n<tr><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-deleted\"><br></td><td class=\"diff-marker\"></td><td class=\"diff-context diff-side-added\"><br></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div>== <del class=\"diffchange diffchange-inline\">Getting started </del>==</div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>==<ins class=\"diffchange diffchange-inline\">= The Beginning of Space and Time in Our Universe =</ins>==</div></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange diffchange-inline\">* [https://www</del>.<del class=\"diffchange diffchange-inline\">mediawiki</del>.<del class=\"diffchange diffchange-inline\">org/wiki/Special:MyLanguage/Manual:Configuration_settings Configuration settings list]</del></div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">In the first moments after the Big Bang, the universe is thought to have been so hot and dense that matter could only exist in the form of a soup of quarks and gluons. (What explains the Big Bang itself? \u00a0We still need to figure this out to our satisfaction.) As the universe expanded and cooled, matter could take on new forms, including the first protons and neutrons, followed much later by neutral atoms. Though the early universe was almost perfectly uniform, slight non-uniformities existed from the beginning, and over cosmic time gravity has enhanced those non-uniformities, pulling matter from less dense regions into more dense regions</ins>. <ins class=\"diffchange diffchange-inline\">This has produced the large-scale structure of the universe that we see today, including galaxies, galaxy clusters, and superclusters</ins>.</div></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange diffchange-inline\">* [https://www</del>.<del class=\"diffchange diffchange-inline\">mediawiki</del>.<del class=\"diffchange diffchange-inline\">org/wiki/Special:MyLanguage/Manual:FAQ MediaWiki FAQ]</del></div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange diffchange-inline\">* [https://lists</del>.<del class=\"diffchange diffchange-inline\">wikimedia</del>.<del class=\"diffchange diffchange-inline\">org/postorius/lists/mediawiki</del>-<del class=\"diffchange diffchange-inline\">announce</del>.<del class=\"diffchange diffchange-inline\">lists</del>.<del class=\"diffchange diffchange-inline\">wikimedia</del>.<del class=\"diffchange diffchange-inline\">org/ MediaWiki release mailing list]</del></div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">Within galaxies, gravity causes the collapse of gas clouds to form stars, which combine atomic nuclei to produce heavier elements through nuclear fusion. Before the first stars formed, the universe contained only hydrogen, helium, and small amounts of lithium (created in the first minutes after the Big Bang, when the universe as a whole was still hot enough to sustain fusion). But massive stars create carbon, oxygen, and all manner of heavier elements through fusion all the way up to iron. When these stars run out of fuel and explode as supernovae, the huge amounts of energy released often allow for the formation of even heavier elements like gold, uranium, and others. The heavy-element-enriched gas propelled outward by a supernova mixes with pre-existing gas and dust clouds, which may then collapse under gravity\u2019s influence to form second-generation stars</ins>. <ins class=\"diffchange diffchange-inline\">Because first-generation stars had created heavy elements, these were available for gravity to form rocky or terrestrial planets</ins>.</div></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange diffchange-inline\">* [https://www</del>.<del class=\"diffchange diffchange-inline\">mediawiki</del>.<del class=\"diffchange diffchange-inline\">org/wiki/Special:MyLanguage/Localisation#Translation_resources Localise MediaWiki </del>for <del class=\"diffchange diffchange-inline\">your language]</del></div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td class=\"diff-marker\" data-marker=\"\u2212\"></td><td class=\"diff-deletedline diff-side-deleted\"><div><del class=\"diffchange diffchange-inline\">* [https://www</del>.<del class=\"diffchange diffchange-inline\">mediawiki</del>.<del class=\"diffchange diffchange-inline\">org/wiki/Special:MyLanguage/Manual:Combating_spam Learn how </del>to <del class=\"diffchange diffchange-inline\">combat spam </del>on your <del class=\"diffchange diffchange-inline\">wiki</del>]</div></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">=== The Beginning of Our Solar System and Earth ===</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">The formation of our own Sun and Earth took place about 4.6 billion years ago. The Solar System is located in one of the Milky Way\u2019s outer spiral arms, known as the Orion Arm or Local Spur</ins>. <ins class=\"diffchange diffchange-inline\">We are between 25,000 and 28,000 light years from the center of the Milky Way galaxy, which consists of a few hundred billion stars</ins>. <ins class=\"diffchange diffchange-inline\">We are traveling around that center at a rate of about 220 kilometers per second, completing one revolution every 225</ins>- <ins class=\"diffchange diffchange-inline\">250 million years. Over the past 4.6 billion years, the Earth has seen many chapters in its own history, with changes in atmosphere, the appearance and continual reformation of land masses through plate tectonics, and many other transformations.</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">=== The Beginning and Evolution of Life ===</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">Elements and molecules on the Earth formed various combinations in a process of chemical evolution, although exactly how still eludes us</ins>. <ins class=\"diffchange diffchange-inline\">About 4 billion years ago, some of them formed membranes, gained access to additional chemicals and energy that became metabolism, and became able to reproduce with variation</ins>. <ins class=\"diffchange diffchange-inline\">What is called life then began its own highly uneven process of evolution, sometimes becoming more complex and diversified</ins>. <ins class=\"diffchange diffchange-inline\">Major transitions led to such features as cell nuclei, photosynthesis, intentional motion, multicellular specialization and cooperation, heads, backbones, four limbs, and many other features.</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">The rise of mammals following the extinction of dinosaurs some 65 million years ago led to the emergence of hominids. Eventually Homo sapiens emerged 200,000 years ago. Bipedal, largely hairless, large- brained, and with opposable thumbs, humans developed symbolic and imaginative language, inherited a social nature, and made ethics explicit.</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">=== The Beginning and Development of Culture ===</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">Through our culture, humans shaped some of the natural forces from which we emerged. We added hunting to scavenging and gathering. Beginning about 70,000 years ago, we left our African home and migrated throughout the globe, crossing Beringia into the Americas some 20,000 years ago (though the precise date is still heavily debated). We formed bands, kinship groups, villages, chiefdoms, cities, nations, and empires. Our species crossed other major thresholds with the emergence of agricultural states, the burning of fossil fuels, and the recent entrance into an information-rich, digital era.</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">We have fought many wars among ourselves and brought about environmental degradation and resource depletion. These and other problems threaten the quality and even survival of our species. We face a current crisis and a possible loss of complexity</ins>. <ins class=\"diffchange diffchange-inline\">Over 99% of the species that have ever existed are now extinct</ins>. <ins class=\"diffchange diffchange-inline\">No complex species is likely to survive intact </ins>for <ins class=\"diffchange diffchange-inline\">more than a few million years; we will be lucky if we survive that long.</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">=== Can Big History Help Us Now? ===</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">2015 was the warmest year since modern record-keeping began in 1880, according to a new analysis by NASA\u2019s Goddard Institute for Space Studies</ins>. <ins class=\"diffchange diffchange-inline\">The record-breaking year continues a long-term warming trend \u2014 15 of the 16 warmest years on record have now occurred since 2001</ins>.</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">Does Big History provide a narrative that can help nurture the development of the empathy and cooperation that are part of our social nature? Can humans form a more perfect human community as we continue to create a more complex society than has existed before? Or will our current levels of social complexity face inexorable demise?</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">=== The Long Term Future ===</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">Whatever the answers to these questions, any species still surviving on Earth a few billion years from now would be well-advised to hop a spaceship </ins>to <ins class=\"diffchange diffchange-inline\">another solar system. Those still </ins>on <ins class=\"diffchange diffchange-inline\">Earth will face a much hotter sun. About 5 billion years from now, the Sun will run out of hydrogen fuel in its core and will grow into a red giant, evaporating the oceans and possibly engulfing the Earth. The Sun will eventually eject its outer layers, leaving behind its core, a white dwarf that will cool and fade over trillions of years. Meanwhile, other galaxies may keep racing away from our own Local Group of galaxies, perhaps leaving us with a sky devoid of the images of distant galaxies that have contributed so much to our understanding of the universe and the cosmic context of the Earth.</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">Have other universes already existed? \u00a0Will there be more universes after ours has ended? \u00a0Are there an infinite number of universes, perhaps with some even sharing our space?</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div>\u00a0</div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">We need </ins>your <ins class=\"diffchange diffchange-inline\">help to help find the evidence to answer these and many other questions \u2013 and to draw on the lessons learned to help solve our problems now.</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">*</ins></div></td></tr>\n<tr><td colspan=\"2\" class=\"diff-side-deleted\"></td><td class=\"diff-marker\" data-marker=\"+\"></td><td class=\"diff-addedline diff-side-added\"><div><ins class=\"diffchange diffchange-inline\">[[Category:Introduction]</ins>]</div></td></tr>\n" } }