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    Intravenous drip with liquid against plain background. — Stock Photo
    Intravenous drip with liquid against plain background.
    Male doctor putting ice pack on young girl leg. — Stock Photo
    Male doctor putting ice pack on young girl leg.
    Fumigator professional in uniform for fumigation preparing chemical solution for pollination in house yard — Stock Photo
    Fumigator professional in uniform for fumigation preparing chemical solution for pollination in house yard
    Tower of atoms bonded together — Stock Photo
    Tower of atoms bonded together
    Close-up of scientist using pipette in laboratory — Stock Photo
    Close-up of scientist using pipette in laboratory
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    Female counselor sitting in armchair and giving advice to unrecognizable client during psychotherapy appointment — Stock Photo
    Female counselor sitting in armchair and giving advice to unrecognizable client during psychotherapy appointment
    Male doctor giving medicine to patient — Stock Photo
    Male doctor giving medicine to patient
    Children Green Science Fair event. — Stock Photo
    Children Green Science Fair event.
    Man looking out from question mark — Stock Photo
    Man looking out from question mark
    Male photographer checking camera filmstrip in photo studio — Stock Photo
    Male photographer checking camera filmstrip in photo studio
    Emergency fire fighting helicopter with water bucket in Cape Town, South Africa. — Stock Photo
    Emergency fire fighting helicopter with water bucket in Cape Town, South Africa.
    Three children standing behind presentations — Stock Photo
    Three children standing behind presentations
    Thoughtful doubtful beautiful curly haired female in trendy eyeglasses and stylish colorful blouse with floral ornament looking at camera against pink background — Stock Photo
    Thoughtful doubtful beautiful curly haired female in trendy eyeglasses and stylish colorful blouse with floral ornament looking at camera against pink background
    Close-up of glass syringe with stand arranged on table in laboratory — Stock Photo
    Close-up of glass syringe with stand arranged on table in laboratory
    Pensive adult businessman resting in cozy country house — Stock Photo
    Pensive adult businessman resting in cozy country house
    Human brain, conceptual illustration — Stock Photo
    Human brain, conceptual illustration
    Portrait smiling, confident girl student solving physics equations at whiteboard in classroom — Stock Photo
    Portrait smiling, confident girl student solving physics equations at whiteboard in classroom
    Scientist checking a solution in test tube in lab — Stock Photo
    Scientist checking a solution in test tube in lab
    Man jumping over cliff. Depression symbol.major depressive disorder. — Stock Photo
    Man jumping over cliff. Depression symbol.major depressive disorder.
    Focused high school girl student taking exam at desk in classroom — Stock Photo
    Focused high school girl student taking exam at desk in classroom
    Girl holding a molecular structure — Stock Photo
    Girl holding a molecular structure
    From above of plastic blister packs with blue medical capsules placed on yellow background — Stock Photo
    From above of plastic blister packs with blue medical capsules placed on yellow background
    Anonymous person tearing paper with fingers — Stock Photo
    Anonymous person tearing paper with fingers
    Man doing homework in adult education classroom — Stock Photo
    Man doing homework in adult education classroom
    Group of students on science lesson — Stock Photo
    Group of students on science lesson
    Lab chemist preparing graduated cylinder for standard solution — Stock Photo
    Lab chemist preparing graduated cylinder for standard solution
    Researchers hand mixing solution — Stock Photo
    Researchers hand mixing solution
    Boy and girl on a science lesson — Stock Photo
    Boy and girl on a science lesson
    Businessmen watching colleague giving presentation — Stock Photo
    Businessmen watching colleague giving presentation
    Man looking down on glowing light bulb — Stock Photo
    Man looking down on glowing light bulb
    Opposed male hands pointing at each other over red background. Isolated horizontal photo — Stock Photo
    Opposed male hands pointing at each other over red background. Isolated horizontal photo
    Side view of male scientist working in laboratory — Stock Photo
    Side view of male scientist working in laboratory
    Young black female medic standing near window and examining x ray scan while working in clinic — Stock Photo
    Young black female medic standing near window and examining x ray scan while working in clinic
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    School in Village of Himba tribe — Stock Photo
    School in Village of Himba tribe
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Hand of university student doing a chemical experiment in laboratory — Stock Photo
    Hand of university student doing a chemical experiment in laboratory
    Side view of unrecognizable male doctor in respiratory mask and uniform disinfecting hands in hospital — Stock Photo
    Side view of unrecognizable male doctor in respiratory mask and uniform disinfecting hands in hospital
    A distiller puts the label on a bucket of hand sanitizer. — Stock Photo
    A distiller puts the label on a bucket of hand sanitizer.
    School in Grashoek village — Stock Photo
    School in Grashoek village
    Colleagues standing next to whiteboard in office and looking at each other — Stock Photo
    Colleagues standing next to whiteboard in office and looking at each other
    Male photographer cleaning a lens cover with liquid in photo studio — Stock Photo
    Male photographer cleaning a lens cover with liquid in photo studio
    Boy and girl on a science lesson — Stock Photo
    Boy and girl on a science lesson
    Close-up of arranged sample bottle in laboratory — Stock Photo
    Close-up of arranged sample bottle in laboratory
    Male photographer opening a lens cover in photo studio — Stock Photo
    Male photographer opening a lens cover in photo studio
    Scientist removing medical samples from machine in lab — Stock Photo
    Scientist removing medical samples from machine in lab
    Creative business people — Stock Photo
    Creative business people
    Surgeon with scalpel performing operation in operation theater at hospital — Stock Photo
    Surgeon with scalpel performing operation in operation theater at hospital
    Creative business people preparing presentation — Stock Photo
    Creative business people preparing presentation
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    School in Grashoek village — Stock Photo
    School in Grashoek village
    Chemical bottles on table — Stock Photo
    Chemical bottles on table
    Jigsaw piece connecting speech bubbles above man and woman — Stock Photo
    Jigsaw piece connecting speech bubbles above man and woman
    Three students sitting in class — Stock Photo
    Three students sitting in class
    Side view of male scientist experimenting in laboratory — Stock Photo
    Side view of male scientist experimenting in laboratory
    Female doctor smiling and giving eye drops to a little girl in her bed. Home doctor concept — Stock Photo
    Female doctor smiling and giving eye drops to a little girl in her bed. Home doctor concept
    Laboratory technician holding test tubes in blood bank — Stock Photo
    Laboratory technician holding test tubes in blood bank
    Girl and boys in a classroom — Stock Photo
    Girl and boys in a classroom