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481383
Caption: Exocytosis, a process for primary active transport across the cell membrane.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 15.28 MB
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507009
Caption: The blast from a primary fission component triggers a secondary fusion explosion in a thermonuclear bomb or warhead
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 41.86 MB
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481467
Caption: Modern version of the Leclanche cell. This heavy-duty zinc-carbon primary battery is a dry cell with an immobilized electrolyte.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 40.72 MB
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506170
Caption: Elephant, representing GOP, stepping across hurdles labeled Des Moines Debate, Louisiana Caucuses, Iowa Caucuses
Artist: McClatchy - Tribune
Release: Not Applicable
File Size: 2.59 MB
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521056
Caption: Teacher and students in front of a school house.
Artist: Vance Vasu
Release: Not Applicable
File Size: 52.53 MB
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506796
Caption: Illustration of a Cassegrain reflector
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 16.17 MB
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506761
Caption: Diagram of a mammalian muscle spindle
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 22.93 MB
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481157
Caption: Displacements in the Earth in four types of free vibrations.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 39.70 MB
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506569
Caption: The steps of ovulation: a primordial follicle grows and matures, before being released by the ovary into the fallopian tube
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 13.53 MB
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506826
Caption: The decussation of the medullary pyramids and the formation of the corticospinal tract in the spinal cord
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 10.01 MB
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506989
Caption: The Gregorian telescope uses two concave mirrors to focus images in a short telescope tube
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 16.17 MB
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481081
Caption: The main types of seismic waves: P, S, Love, and Rayleigh.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 27.08 MB
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507027
Caption: A rainbow forms when sunlight is refracted by spherical water droplets in the atmosphere, producing the primary arcs of colour
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 29.85 MB
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512467
Caption: Illustration of Ouija board planchette point to elephant, donkey symbols of the U.S. Republican and Democratic parties
Artist: McClatchy - Tribune
Release: Not Released
File Size: 8.15 MB
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481319
Caption: Seismic ray types in Earth's interior from earthquake at F.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 38.43 MB
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49183
Caption: Hand Holding Building
Artist: David C. Chen
Release: Not Applicable
File Size: 29.94 MB
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506888
Caption: The artificial lift of petroleum with a beam pumping unit
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 21.09 MB
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23743
Caption: Giant Seed Underground
Artist: Todd Davidson
Release: Not Applicable
File Size: 61.80 MB
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506756
Caption: Diagram of the lateral view of the human brain, showing the functional areas (motor, sensory, auditory, visual, and speech)
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 16.58 MB
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52754
Caption: School Girl With Teddy Bear
Artist: Stephanie Carter
Release: Not Applicable
File Size: 34.57 MB
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481525
Caption: Cutaway view of an alkaline-manganese dioxide power cell.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 40.72 MB
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515359
Caption: Two colorful male silhouette profiles with Democratic and Republication symbols and American flag.
Artist: Roy Scott
Release: Not Applicable
File Size: 50.41 MB
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481038
Caption: Cutaway view of a typical construction of a miniature power cell, as in a zinc-silver oxide or zinc-mercuric oxide system.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 24.16 MB
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481394
Caption: Georges Leclanche's dry cell and its later variations, zinc chloride and alkaline cells, are batteries commonly used worldwide.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 33.11 MB
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33607
Caption: Mother walking son to school
Artist: Linda Bleck
Release: Not Applicable
File Size: 60.00 MB
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481502
Caption: Types of transport across the cell membrane include simple diffusion, facilitated diffusion, and primary active transport.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 7.75 MB
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510932
Caption: Chain of schoolchildren around the globe
Artist: Fanatic Studio
Release: Not Applicable
File Size: 51.36 MB
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516157
Caption: Collage of life cycle of a person education
Artist: Fanatic Studio
Release: Not Applicable
File Size: 50.99 MB
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307946
Caption: Learning to read and write
Artist: ImageZoo
Release: Not Released
File Size: 99.24 MB
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822
Caption: A woman dropping her kids off at school
Artist: ImageZoo
Release: Not Applicable
File Size: 77.25 MB
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111931
Caption: a young boy wearing a dunce cap and standing in front of a school
Artist: ImageZoo
Release: Not Applicable
File Size: 65.11 MB
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294065
Caption: Students solving math problems on the chalkboard
Artist: ImageZoo
Release: Not Applicable
File Size: 93.78 MB
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122975
Caption: a boy worried about his school grades
Artist: ImageZoo
Release: Not Applicable
File Size: 60.18 MB
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122976
Caption: Boy (4-7) thinking about his grades
Artist: ImageZoo
Release: Not Applicable
File Size: 60.18 MB
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111910
Caption: framed picture of mother and child with child support check behind them
Artist: ImageZoo
Release: Not Applicable
File Size: 61.37 MB
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114589
Caption: Person standing on seesaw with building blocks, close-up
Artist: ImageZoo
Release: Not Applicable
File Size: 22.45 MB
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624
Caption: A scene in a classroom showing an enthusiastic girl and a stressed out boy
Artist: ImageZoo
Release: Not Applicable
File Size: 64.32 MB