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Query by Example - (Query by Example)
Question mark - (Question mark)
Questioning (sexuality and gender) - (Questioning (sexuality and gender))
Queue area - (Queue area)
Quicksand - (Quicksand)
Quickstep - (Quickstep)
Quiet Riot - (Quiet Riot)
QuikSCAT - (QuikSCAT)
Quinceañera - (Quinceañera)
Quinhagak, Alaska - (Quinhagak, Alaska)
Quinine - (Quinine)
Quinn Sullivan - (Quinn Sullivan)
Quito - (Quito)
Quokka - (Quokka)
Quonset hut - (Quonset hut)
Quorum - (Quorum)
Quotation mark - (Quotation mark)
Qur'an - (Qur'an)
R.S.C. Anderlecht - (R.S.C. Anderlecht)
Rabat - (Rabat)
Rabbi - (Rabbi)
Rabbit - (Rabbit)
Rabindranath Tagore - (Rabindranath Tagore)
Raccoon - (Raccoon)
Race (biology) - (Race (biology))
Race (sociology) - (Race (sociology))
Racha-Lechkhumi and Kvemo Svaneti - (Racha-Lechkhumi and Kvemo Svaneti)
Rachel Berry - (Rachel Berry)
Rachel Carson - (Rachel Carson)
Rachel Corrie - (Rachel Corrie)
Rachel Elizabeth Dare - (Rachel Elizabeth Dare)
Rachel Weisz - (Rachel Weisz)
Racial profiling - (Racial profiling)
Racial segregation - (Racial segregation)
Racism - (Racism)
Radamel Falcao - (Radamel Falcao)
Radar - (Radar)
Radcliffe College - (Radcliffe College)
Radiata - (Radiata)
Radiation - (Radiation)
Radical - (Radical)
Radical (Chinese character) - (Radical (Chinese character))
Radical feminism - (Radical feminism)
Radio - (Radio)
Radio astronomy - (Radio astronomy)
Radio frequency - (Radio frequency)
Radio wave - (Radio wave)
Radiocarbon dating - (Radiocarbon dating)
Radiohead - (Radiohead)
Radiometric dating - (Radiometric dating)
Radix point - (Radix point)
Radu Lupu - (Radu Lupu)
Raffles Place MRT station - (Raffles Place MRT station)
Rage Against the Machine - (Rage Against the Machine)
Raghava Lawrence - (Raghava Lawrence)
Ragtime - (Ragtime)
Rahul Gandhi - (Rahul Gandhi)
Raiders of the Lost Ark - (Raiders of the Lost Ark)
Raif Badawi - (Raif Badawi)
Railroad classes - (Railroad classes)
Rain (entertainer) - (Rain (entertainer))
Rain dance - (Rain dance)
Rain gauge - (Rain gauge)
Rainband - (Rainband)
Rainbow - (Rainbow)
Rainbow jersey - (Rainbow jersey)
Rainbow lorikeet - (Rainbow lorikeet)
Rainbow Serpent - (Rainbow Serpent)
Rainforest - (Rainforest)
Raise Your Weapon - (Raise Your Weapon)
Raj Kapoor - (Raj Kapoor)
Raj Reddy - (Raj Reddy)
Raja - (Raja)
Rajaraja Chola I - (Rajaraja Chola I)
Raleigh, North Carolina - (Raleigh, North Carolina)
Rallidae - (Rallidae)
Ralph Ellison - (Ralph Ellison)
Ralph Northam - (Ralph Northam)
Ralph Steinman - (Ralph Steinman)
Ram Nath Kovind - (Ram Nath Kovind)
Ramanathapuram - (Ramanathapuram)
Rambla de las Ovejas - (Rambla de las Ovejas)
Ramesses II - (Ramesses II)
Rammstein - (Rammstein)
Ramsay MacDonald - (Ramsay MacDonald)
Rana (genus) - (Rana (genus))
RAND Corporation - (RAND Corporation)
Randall Cobb - (Randall Cobb)
Random - (Random)
Random walk hypothesis - (Random walk hypothesis)
Range Rover - (Range Rover)
Rangers F.C. - (Rangers F.C.)
Ranidae - (Ranidae)
Ransomware - (Ransomware)
Ranulph Fiennes - (Ranulph Fiennes)
Rape - (Rape)
Rapetosaurus - (Rapetosaurus)
Raphael Lemkin - (Raphael Lemkin)
Rapid eye movement - (Rapid eye movement)
Rapid plant movement - (Rapid plant movement)
Rapid transit - (Rapid transit)
Rappahannock River - (Rappahannock River)
Rare earth element - (Rare earth element)
Rare-earth magnet - (Rare-earth magnet)
Raskildinskoye Rural Settlement - (Raskildinskoye Rural Settlement)
Rat - (Rat)
Rat snake - (Rat snake)
Ratatat - (Ratatat)
Rate - (Rate)
Rate equation - (Rate equation)
Rate-determining step - (Rate-determining step)
Ratification - (Ratification)
Rattlesnake - (Rattlesnake)
Ravana - (Ravana)
Rave - (Rave)
Raven-Symoné - (Raven-Symoné)
Ravensbrück concentration camp - (Ravensbrück concentration camp)
Ravi River - (Ravi River)
Ravi Zacharias - (Ravi Zacharias)
Raw material - (Raw material)
Rawlings Gold Glove Award - (Rawlings Gold Glove Award)
Ray Kurzweil - (Ray Kurzweil)
Ray Liotta - (Ray Liotta)
Ray Scott - (Ray Scott)
Ray Toro - (Ray Toro)
Raymond Gosling - (Raymond Gosling)
Raymond v. Raymond - (Raymond v. Raymond)
RC2 - (RC2)
RC4 - (RC4)
RC5 - (RC5)
RC6 - (RC6)
Reaction intermediate - (Reaction intermediate)
Reaction mechanism - (Reaction mechanism)
Reader's Digest - (Reader's Digest)
Ready to Fall - (Ready to Fall)
Real Madrid CF - (Real Madrid CF)
Real number - (Real number)
Realism - (Realism)
Reality - (Reality)
Reality television - (Reality television)
Realpolitik - (Realpolitik)
Rearrangement reaction - (Rearrangement reaction)
Rebecka Liljeberg - (Rebecka Liljeberg)
Recapitulation theory - (Recapitulation theory)
Reception history of Jane Austen - (Reception history of Jane Austen)
Receptor (cell biology) - (Receptor (cell biology))
Recipe for Hate - (Recipe for Hate)
Recitative - (Recitative)
Recoilless rifle - (Recoilless rifle)
Reconstruction Amendments - (Reconstruction Amendments)
Recorder - (Recorder)
Recording Industry Association of Japan - (Recording Industry Association of Japan)
Recording studio - (Recording studio)
Recruitment - (Recruitment)
Red - (Red)
Red admiral - (Red admiral)
Red algae - (Red algae)
Red beds - (Red beds)
Red Bridge (Tasmania) - (Red Bridge (Tasmania))
Red Bull - (Red Bull)
Red Bull Brasil - (Red Bull Brasil)
Red Hot Chili Peppers - (Red Hot Chili Peppers)
Red kite - (Red kite)
Red panda - (Red panda)
Red River - (Red River)
Red River of the North - (Red River of the North)
Red shift - (Red shift)
Red-eyed tree frog - (Red-eyed tree frog)
Red-necked wallaby - (Red-necked wallaby)
Red-shouldered macaw - (Red-shouldered macaw)
Red-tailed hawk - (Red-tailed hawk)
Red-violet - (Red-violet)
Redange (canton) - (Redange (canton))
Redhead - (Redhead)
Reduction - (Reduction)
Reed Smoot - (Reed Smoot)
Reel-to-reel tape recorders - (Reel-to-reel tape recorders)
Reese Witherspoon - (Reese Witherspoon)
Referential transparency - (Referential transparency)
Reflection - (Reflection)
Reflection (song) - (Reflection (song))
Reflection nebula - (Reflection nebula)
Refraction - (Refraction)
Refrigerator - (Refrigerator)
Reg Noble - (Reg Noble)
Regeneration - (Regeneration)
Regent Street - (Regent Street)
Reggae - (Reggae)
Regierungsbezirk - (Regierungsbezirk)
Regime - (Regime)
Reginald Punnett - (Reginald Punnett)
Regional language - (Regional language)
Regions of Iceland - (Regions of Iceland)
Regions of Peru - (Regions of Peru)
Regis Philbin - (Regis Philbin)
Regnal name - (Regnal name)
Regnenses - (Regnenses)
Rehearsal - (Rehearsal)
Reich Chancellor - (Reich Chancellor)
Reichstag fire - (Reichstag fire)
Reina Tanaka - (Reina Tanaka)
Reincarnation research - (Reincarnation research)
Reince Priebus - (Reince Priebus)
Relational model - (Relational model)
Relative atomic mass - (Relative atomic mass)
Relative dating - (Relative dating)
Relative key - (Relative key)
Relativism - (Relativism)
Relativistic jet - (Relativistic jet)
Relativity Media - (Relativity Media)
Releaser - (Releaser)
Religion - (Religion)
Religious denomination - (Religious denomination)
Remagen - (Remagen)
Rembrandt - (Rembrandt)
Remembrance Day - (Remembrance Day)
Remington Steele - (Remington Steele)
Remixing - (Remixing)
Remus Lupin - (Remus Lupin)
Renaissance - (Renaissance)
Renaissance architecture - (Renaissance architecture)
Renaissance man - (Renaissance man)
Renaissance music - (Renaissance music)
Renault F1 - (Renault F1)
René Aufhauser - (René Aufhauser)
René Descartes - (René Descartes)
Renewable energy - (Renewable energy)
Renewable energy commercialization - (Renewable energy commercialization)
Renewable energy commercialization in the United States - (Renewable energy commercialization in the United States)
Renminbi - (Renminbi)
Reno (river) - (Reno (river))
Rensselaer County, New York - (Rensselaer County, New York)
Rensselaer Polytechnic Institute - (Rensselaer Polytechnic Institute)
Repeal - (Repeal)
Repertoire - (Repertoire)
Répétiteur - (Répétiteur)
Repository (data) - (Repository (data))
Representational state transfer - (Representational state transfer)
Reptile - (Reptile)
Republic - (Republic)
Republic of China - (Republic of China)
Republic of China (1912–1949) - (Republic of China (1912–1949))
Republic of Ireland - (Republic of Ireland)
Republic of Mahabad - (Republic of Mahabad)
Republic of Taiwan (1895) - (Republic of Taiwan (1895))
Republic P-47 Thunderbolt - (Republic P-47 Thunderbolt)
Republican Party (United States) - (Republican Party (United States))
Republican People's Party - (Republican People's Party)
Republicanism in the United States - (Republicanism in the United States)
Requiem - (Requiem)
Res Gestae Divi Augusti - (Res Gestae Divi Augusti)
Research and development - (Research and development)
Reservoir Dogs - (Reservoir Dogs)
Residual-current device - (Residual-current device)
Resin - (Resin)
Resonance - (Resonance)
Resource room - (Resource room)
Respiratory system - (Respiratory system)
Responsible government - (Responsible government)
Restaurant - (Restaurant)
Restriction enzyme - (Restriction enzyme)
Results of the 2016 Democratic Party presidential primaries - (Results of the 2016 Democratic Party presidential primaries)
Resusci Anne - (Resusci Anne)
Retail - (Retail)
Retezat Mountains - (Retezat Mountains)
Retroactive continuity - (Retroactive continuity)
Réunion - (Réunion)
Revenge porn - (Revenge porn)
Review - (Review)
Revolutions of 1848 in the German states - (Revolutions of 1848 in the German states)
Revolver (album) - (Revolver (album))
Rewa district - (Rewa district)
Rex Tillerson - (Rex Tillerson)
Reykjavík-Keflavík Airport - (Reykjavík-Keflavík Airport)
RFID - (RFID)
Rhabdodontidae - (Rhabdodontidae)
Rhacophoridae - (Rhacophoridae)
Rhamphorhynchus - (Rhamphorhynchus)
Rheinfelden, Switzerland - (Rheinfelden, Switzerland)
Rheumatoid arthritis - (Rheumatoid arthritis)
Rhind Mathematical Papyrus - (Rhind Mathematical Papyrus)
Rhine-Main-Danube Canal - (Rhine-Main-Danube Canal)
Rhineland - (Rhineland)
Rhodes - (Rhodes)
Rhön - (Rhön)
Rhyme - (Rhyme)
Rhyme royal - (Rhyme royal)
Rhyme scheme - (Rhyme scheme)
Rhynie - (Rhynie)
Rhynie chert - (Rhynie chert)
Rhysling Award - (Rhysling Award)
Rhythm - (Rhythm)
Rhythm game - (Rhythm game)
Rhythmic gymnastics - (Rhythmic gymnastics)
Riace bronzes - (Riace bronzes)
Riaz Ahmed Gohar Shahi - (Riaz Ahmed Gohar Shahi)
Riaz Shahid - (Riaz Shahid)
Riboflavin - (Riboflavin)
Ribosome - (Ribosome)
Ribozyme - (Ribozyme)
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