All articles starting with O
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Osagie Obasogie
Osagie Obasogie is an American legal scholar and bioethicist, Haas Distinguished Chair and professor of law and bioethics at UC Berkeley, elected to the National Academy of Medicine in 2021.
Osairlin (奥斯巴林) (Odin Vision acquirer)
Osairlin (奥斯巴林) is a name linked to a Chinese report of Olympus's December 2022 acquisition of the London cloud-AI endoscopy company Odin Vision for about $79 million.
Osaka (大阪)
Osaka (大阪) is a major Japanese port and commercial city in Kansai, population about 2.81 million, Japan's ancient gateway to Asia, Edo-period "Kitchen of Japan," site of Osaka Castle, and host of the 1970 and 2025 World Expos.
Osaka Aquarium Kaiyukan
Osaka Aquarium Kaiyukan (海遊館), opened 20 July 1990 at Tempozan, Osaka Bay; designed by Peter Chermayeff; 5,400-ton Pacific tank with whale sharks; about 620 species, 30,000 animals; 90 million visitors by 2025.
Osaka Castle (大坂城)
Osaka Castle, in Osaka, Japan, was begun in 1583 by Toyotomi Hideyoshi and fell to the Tokugawa in 1615; its 1931 concrete tower houses a museum.
Osaka Elegy (浪華悲歌)
Osaka Elegy (浪華悲歌, Naniwa erejī) is Kenji Mizoguchi's 1936 Japanese drama about switchboard operator Ayako, who becomes her boss's mistress to cover her father's embezzlement debts; his first Daiichi Eiga film and first collaboration with screenwriter Yoshikata Yoda.
Osaka Incident
The Osaka Incident (大阪事件, Ōsaka jiken) was a failed 1885 plot by Ōi Kentarō's Liberal Party left wing to send armed activists to Korea and install the pro-Japanese Independence Party.
Ōsaka jōdai
Ōsaka jōdai (大坂城代) was the Edo shogunate's post at Osaka Castle, created in 1619 to supervise shogunal officials, defend the castle, and watch western daimyo.
Osaka Prefecture (大阪府)
Osaka Prefecture (大阪府, Osaka-fu) is one of Japan's two fu-level prefectures, established May 2, 1868 from the Osaka Court, with about 8.75 million residents and host of Expo 2025 on Yumeshima.
Ōsaka Winter Campaign
The Ōsaka Winter Campaign (大坂冬の陣) was the first phase of the Siege of Osaka, fought between the Tokugawa shogunate and the Toyotomi family around Osaka Castle in 1614.
Osaka-jō Hall (music)
Osaka-jō Hall, officially the Osaka-jo International Cultural Sports Hall, is a 16,000-capacity indoor arena in Osaka Castle Park, Japan, opened in 1983 and Kansai's flagship concert venue.
OSAM-2
OSAM-2, also known as Archinaut One, was a NASA technology demonstration mission, developed with Redwire, to 3D-print beams and deploy a solar array in low Earth orbit; it ended in 2023 before flight.
Osama al-Rifai (أسامة الرفاعي)
Osama al-Rifai (أسامة الرفاعي), Syrian Sufi Sunni scholar born in Damascus in 1944, son of Abdul Karim al-Rifai, leader of Jamaat Zayd, exiled head of the Syrian Islamic Council, and Grand Mufti of Syria since 28 March 2025 under President al-Sharaa.
Osama AlRaee
Osama AlRaee is a Saudi entrepreneur who co-founded Lendo in 2019 and leads it as CEO; its Riyadh platform became the first SAMA-licensed Sharia-compliant debt crowdfunder in 2022.
Osama bin Laden
Osama bin Laden (Usama bin Ladin, 1957–2011), Saudi-born founder of al Qaeda, directed the 1998 embassy bombings, USS Cole attack, and 9/11; killed by U.S. Navy SEALs in Abbottabad, Pakistan, May 2, 2011.
Osama bin Laden death conspiracy theories
Osama bin Laden death conspiracy theories claim the al-Qaeda leader killed in the May 2, 2011 Abbottabad raid survived or that the operation was staged; fact-checkers, DNA evidence, al-Qaeda's own statement, and declassified documents refute them.
Osama bin Laden's compound in Abbottabad
Osama bin Laden's compound in Abbottabad, Pakistan, also called Waziristan Haveli, was his walled hiding place from about 2005 until the US Navy SEAL raid of May 2, 2011 killed him; its seized documents became the Abbottabad Compound Collection.
Osama Bishai
Osama Anwar Bishai is an Egyptian construction executive who has served as CEO of Orascom Construction PLC since March 2015, growing it to USD 5.05 billion in 2025 revenue.
Osama Nayfeh
Osama M. Nayfeh, also published as Sam Nayfeh, is an American electrical engineer and Senior Engineer/Scientist at NIWC Pacific in San Diego, who received a 2014 PECASE award.
Osama Shahab
Osama Shahab (ओसामा शहाब), born 1995, son of late RJD strongman Mohammad Shahabuddin; joined RJD in October 2024 and contested Raghunathpur (Siwan) as its 2025 Bihar assembly candidate.
OsamaSon
OsamaSon (Amari Middleton, born 2003) is a South Carolina rage-rap and dark-plugg artist; albums Osama Season, Flex Musix, Jump Out (Billboard 200 No. 151), and psykotic on Atlantic.
Osami Nagano (永野修身)
Osami Nagano (永野修身, 1880–1947) was a Fleet Admiral and Chief of the Imperial Japanese Navy General Staff, 1941–1944, who approved the Pearl Harbor attack, was tried as a Class A war criminal, and died during the Tokyo trial before verdict.
Osamu Dazai (太宰治)
Osamu Dazai, born Shuji Tsushima, was a Japanese novelist best known for The Setting Sun (1947) and No Longer Human (1948); he died by suicide in 1948.
Osamu Hayaishi
Osamu Hayaishi (早石 修, 1920–2015) was a Japanese biochemist, born in Stockton, California, who discovered the oxygenases and established prostaglandin D2 as a sleep-promoting substance in the brain.
Osamu Ishitani
Osamu Ishitani (石谷治) is a Japanese photochemist known for rhenium and ruthenium–rhenium photocatalysts that convert carbon dioxide to carbon monoxide or formic acid, and a professor at Hiroshima University.
Osamu Mishima
Osamu Mishima (三島 修) is a Japanese materials scientist, born in Hiroshima in 1951, whose high-pressure ice experiments at NIMS established polyamorphism and the two amorphous forms of water.
Osamu Nureki
Osamu Nureki (濡木 理) is a Japanese structural biologist and University of Tokyo professor known for crystal structures of CRISPR-Cas9, Cpf1, and other RNA-guided nucleases.
Osamu Sato
Osamu Sato (佐藤 治) is a Japanese materials and coordination chemist, a professor at Kyushu University known for photomagnetism, spin crossover, and dynamic molecular crystals, and for his 1996 Science paper on photoinduced magnetization.
Osamu Shimomura
Osamu Shimomura (下村脩) was a Japanese-born biochemist who discovered green fluorescent protein from jellyfish and shared the 2008 Nobel Prize in Chemistry, dying in 2018 at age 90.
Osamu Takeuchi
Osamu Takeuchi is a Japanese physician-scientist and professor of Medical Chemistry at Kyoto University Graduate School of Medicine, known for Toll-like receptor signaling and discovering Regnase-1, which degrades inflammatory messenger RNAs.