Shackletons Endurance Trapped In Pack #7
Science Source
John Hopkins Operating Theater, 19031904
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Adelie Penguins
Art Wolfe
Earliest Depiction Of Craniotomy
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William Red Hill Sr., Canadian Daredevil
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Wilbur Wright Pilots Early Glider 1901
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Ojibwe Indian Encampment, Sault Ste
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M65 Atomic Cannon
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Thoth And A Maat Feather, Egyptian
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Lincoln Reading To His Son
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Gare Montparnasse Train Wreck 1895
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Charles R. Drew #1
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Mt. Washington Cog Railroad, New
James Zipp
Lynx Catching Snowshoe Hare
Ed Cesar
Balboa Claims The Pacific Ocean
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Robert Pershing Wadlow, Tallest Man
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H.m.s. Beagle
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Anatomy Of The Spine
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United States Constitution
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Legs Of Wine #1
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Nicolas Leonard Sadi Carnot, French
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Adam Smith, Scottish Philosopher & #1
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Montgolfier Hot Air Balloon
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Mount Mcloughlin
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Charles R. Drew
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Postman In Tuxedo Delivering Letter
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Leonid Meteor Shower #2
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Ludwig Boltzmann, Austrian Physicist #1
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Kittens Asleep On Shoes
Jean-Michel Labat
Kittinger
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Ducklings And Goldfish #1
Jane Burton
Susan B. Anthony, American Civil Rights
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Mast cell TEM
David M Phillips
Llama in Bolivia
Art Wolfe MINT
Blue Grosbeak And Sweet Flowering Bay
Wellcome Images
Native American Indian Buffalo Hunting
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Chest X-ray - Copd And Scoliosis
Medical Body Scans
Lincoln At Antietam
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Yerkes Observatory, Wisconsin
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Pig Motor Nerve
Garry DeLong
Curious Piglet And Snowman
Jean-Louis Klein and Marie-Luce Hubert
Central Park In Snowfall
Rafael Macia
Girl Playing Nurse With Doll, C.1960s
H Armstrong Roberts ClassicStock
Pennsylvania Station, Nyc, 1910-20
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Mount Fuji, Koganei Bridge, 1838
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Walrus Masturbating On A Rock, Alaska
Phil A. Dotson
American Woodcock #1
James Zipp
Antibody Molecule
Juan Gaertner
Dionysus, Or Bacchus, God Of Wine #1
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Chang And Eng Bunker, The Original
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RMS Queen Elizabeth
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Friedrich Wilhelm Nietzsche, German
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Occipital Lobe Avm
Medical Body Scans
Margaret Mead, American Anthropologist
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Crawford Long, American Pioneer
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Hand Arteriogram #5
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Stanford En Route To Golden Spike
Omikron
Gemini Launching, 1964
NASA/Science Source
Open Northwest Passage
Nasa
Driving The Golden Spike May 10 1869
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A Group Of Slaves
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Wilhelm Konrad Roentgen, German #2
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Pony Express Stamp #1
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Entering The California Desert
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Freedom To Slaves
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Griffith Observatory, Los Angeles
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Charleston Mercury Union Dissolved
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Gregor Mendel, Father Of Genetics #7
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Orville Wright In Wright Flyer 1908
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Babbages First Difference Engine
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Santa Claus And Sled Drawn By White
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