Intellect PlusCards starting with O
987 cards. Page 17 of 17.
Owned soldiers became the lords who ran medieval EgyptMamluk means one who is owned: non-Arab slave-soldiers—often Turkic, Circassian, Caucasian, Mongol, or Southeast European—who formed knightly castes across Islamic societies. In E…
Oxford and Cambridge women sailed to Dublin to collect degrees their colleges withheldBetween 1904 and 1907, women who had studied at Oxford and Cambridge but been refused degrees crossed the Irish Sea to Trinity College Dublin, which granted them one. They were ni…
Oxford expelled the baronet’s son for atheismPercy Bysshe Shelley (4 August 1792–8 July 1822) died at twenty-nine in a boating accident, still obscure to most readers. Fame came later—for “Ozymandias,” Prometheus Unbound, an…
Oxford mathematicians explain their cutting-edge research in under two minutes each.This series features Oxford researchers distilling complex work into brief, accessible summaries. From quantum topology to social media contagion, these clips provide a window int…
Oxford mathematicians explain their latest research in under two minutes eachThis video series showcases Oxford researchers distilling complex work into brief, accessible summaries. It is a valuable look at how modern mathematical inquiry addresses practic…
Oxford mathematicians explain their latest research in under two minutes per topic.This video series features Oxford researchers presenting their current work in concise, two-minute segments. It offers a direct look at diverse mathematical applications, ranging …
Oxford philologist who invented modern high fantasy’s mapJ. R. R. Tolkien (1892–1973) published a 1937 hobbit tale and, in 1954–55, his epic ring trilogy while holding Oxford chairs in Anglo-Saxon and later English Language and Literatu…
Oxford slang gave the world the word soccerAssociation football takes its formal name from the 1863 Football Association in London—distinguishing kicking rules from rugby. Oxford students shortened association to assoccer,…
Oxford University is older than the Aztec Empire.Teaching at Oxford existed by 1096. The Aztecs founded their capital, Tenochtitlan, in 1325, more than two centuries later. By the time Europeans arrived in 1519, it was one of th…
Oxford's Bodleian Library holds over 13 million items, but its origins were nearly lost.Founded in 1602, the Bodleian Library is one of Europe's oldest research institutions. While it now houses millions of treasures, from Gutenberg Bibles to Mary Shelley's original …
Oxford’s streets hide centuries of history in plain sight for the observant traveler.Alice Loxton tours Oxford to reveal the city's historic highlights, from medieval palaces to the legendary pubs that once hosted J.R.R. Tolkien and C.S. Lewis. This exploration un…
Oxide minerals are the earth's hidden building blocks, defined by their oxygen-packed structures.Beyond simple rust, oxide minerals form a vast, diverse class of inorganic compounds. They are defined by their unique structural reliance on close-packed oxygen atoms, housing me…
Oxyanions are the structural architects behind everything from biological energy to mountain-forming minerals.An oxyanion is a negatively charged chemical species featuring at least one oxygen atom bonded to a central element. These versatile structures govern fundamental biological proce…
Oxycodone is a potent tool for pain, but it demands careful, supervised management.Oxycodone is a powerful opioid prescribed for severe pain, yet its strength comes with significant risks. Because it can be habit-forming and cause dangerous breathing complicatio…
Oxygen damage to DNA may explain why complex cells, and sex, evolvedWhen cyanobacteria began filling Earth's air with oxygen about 2.45 billion years ago, the gas was probably poisonous to much surrounding life. One hypothesis holds that the press…
Oxygen difluoride is a volatile, highly toxic oxidizer that can explode on contact.Oxygen difluoride is a colorless, foul-smelling gas that behaves as a powerful oxidizer. Beyond its volatility, this compound is notoriously dangerous, capable of reacting explosi…
Oxygen groups can boost energy storage capacity in carbon-based supercapacitorsA review of carbon materials for supercapacitors found that adding oxygen-containing functional groups introduces redox pseudocapacitance, which helps overcome the energy density …
Oxygen is more than just the air we breathe; it is a chemical chameleon.While we know oxygen as the life-sustaining gas in our atmosphere, it exists in a surprising variety of forms. From the protective ozone layer to metallic states under extreme pre…
Oxygen therapy is a life-saving medical intervention that requires strict professional oversight to function.Supplemental oxygen is essential for patients with chronic lung or heart conditions, yet it is not a benign treatment. When used without a prescription, it can lead to dangerous t…- Oxygen vacancies help steer electrons to improve water splitting efficiencyResearchers who engineered tungsten oxide catalysts found that introducing oxygen vacancies significantly boosts the rate of photocatalytic oxygen evolution. By creating specific …
Oyo State: The Nigerian Heartland Where Modernity and Ancient Imperial History ConvergeKnown as the Pace Setter State, Oyo is a Nigerian powerhouse of firsts. From Africa's first skyscraper to the nation's inaugural university, this southwestern region balances a de…
Oyo: The Resilient Nigerian City Born from the Ashes of a Fallen EmpireFounded in the 1830s after the collapse of the historic Oyo Empire, this Nigerian city serves as a living bridge between ancient Yoruba traditions and modern development. Known lo…
Ozanimod shows promise for inducing and maintaining remission in ulcerative colitisA phase 3 randomized trial of 645 patients found that the drug ozanimod was more effective than a placebo for treating moderately to severely active ulcerative colitis. Researcher…
Ozu and his co-writer tracked each script by counting empty sake bottlesYasujirō Ozu and his lifelong writing partner Kogo Noda measured progress on a screenplay not in pages but in bottles of sake emptied. The method produced Tokyo Story, which 358 d…- Ozu's quiet family visit was voted cinema's greatestYasujirō Ozu's 1953 drama follows aging Shūkichi and Tomi Hirayama from Onomichi to Tokyo to see grown children too busy to host them. Exporters once called it too Japanese to sel…
Ozu’s Noriko quit acting the year her director diedSetsuko Hara—born Masae Aida on 17 June 1920 in Yokohama—embodied postwar Japan’s ideal daughter in Yasujirō Ozu’s Late Spring and Tokyo Story. She stopped acting in 1963, the yea…
Ozzy Osbourne's debut solo album was almost a band project, not a solo act.Released in 1980, Blizzard of Ozz launched Ozzy Osbourne's solo career after his firing from Black Sabbath. Yet, the album was initially conceived as a collaborative band effort. …