3.335 Imagens gratuitas de Conhecimento

livrobibliotecadicionárioeducaçãouniversidadecalifórnialiteraturaleituraescolaciência
Stack of Books Falling
negóciolivro
bookshelf
mobíliaescola
Books
objetoslivro
Book
comidalivro
Precaution during the Spanish Influenza Epidemic would not permit anyone to ride on the street cars without wearing a mask, Seattle, Washington (ca.1918).
máscarasveículo
book
livromaçãs
A man cleaning window. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
limpezahomem
Stack of Books
negóciolivro
Simple Tree
conhecimento
A 3D graphical representation of a number of Rotavirus virions, set against a black background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
ciênciaplantae
Three test tubes used in a Legionella pneumophila bacteria detection test. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
ciênciasaúde
books collage
objetoslivro
A 3D image of a number of oblong–shaped, Vibrio parahaemolyticus bacteria Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
bactériaciência
Laboratory technicians working together. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
africanoáfrica
Novel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of an apoptotic cell (blue) heavily infected with SARS-COV-2 virus particles (yellow), isolated from a patient sample. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.
embaixo da aguaciência
A student having sandwich for lunch. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”. We are proud to support Hope for Children on their mission to ensure children in the most extreme poverty are as happy and content as any other child, enjoying a childhood that sets them up for a fulfilling future - because every child deserves that. As well as donating 10% of our revenue to Hope for Children we have created this special collection FREE for everyone to enjoy. If you can, please visit Hope for Children to give back by donating or to learn about other ways you can support their mission.
pessoasescola
Woman is reading a book
vestuáriolivro
Open Vintage Book
objetoslivro
Colorful wall
homemmuro
Books
leituralivro
Healthcare workers donning a pair of protective goggles and protective equipment. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
ciênciasaúde
colorful wall
homemmuro
Woman using a damp sponge to clean dust collected on a window sill. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
africanopessoas
MERS Coronavirus Particles–Colorized scanning electron micrograph of Middle East Respiratory Syndrome virus particles attached to the surface of an infected VERO E6 cell. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.
ciênciaamarelo
Third Eye
deidadexiva
Bíblia Aberta
cristianismolivro
Reading Books at Library
negóciolivro
The 1950s historical photograph of a nurse taking her blood pressure of a woman ordnance worker in the hospital. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
medicinapessoas
old books
objetoslivro
school class journal
educaçãoescola
A medical illustration of drug–resistant, Neisseria gonorrhoeae bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
plantaeflores
Book pages
negóciolivro
class journal
educaçãoescola
Book Stack Books
clássicolivro
Book knowledge person
conhecimentolivro
Close-up Of Book On Table
conhecimentolivro
Learning Schooling Text
aprendizagemquadro
Beige Pages Book Open
conhecimentolivro
Black Framed Eyeglasses On Book
conhecimentolivro
Isaac Newton
pessoas famosaspessoas
books
ciênciaescola
Books
negóciolivro
books
ciênciaescola
Cérebro
personagemciência
CHARLES DARWIN
aptidão físicaevolução
Cérebro
personagemcabeça
book and pear
escolalivro
A medical illustration of drug–resistant, Neisseria gonorrhoeae bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.
ciênciaplantae
book isolated
escolalivro
Black Open Book On The Brown Wooden Bench
cadernolivro
Stacked Mark Twain Book
leituralivro
Close Up Of Flower
livrovidro
Beautiful Photo book knowledge
estudolivro
Stephen Hawking
pessoashomem
Little Girl is Studying
faceriso
Pile Of Covered Books
educaçãolivro
Assorted Books In Bookshelf
bibliotecalivro
Music Notes Book
educaçãolivro
2 Book On Brown Wooden Stair
arquiteturalivro
North America Book And Toke Book
arquiteturalivro
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Beautiful Photo book books
leituralivro
Book eyeglasses knowledge
leituralivro
Low Angle View Of Paper Against White Background
cobrirlivro
Art Awareness Campaign Concrete
ânguloarte
Pirate Latitudes Book
conhecimentolivro
White Book On Sand During Daytime
livropraia
Open book
escolalivro
book and pears
comidaescola
book and pear
comidaescola
Open book
escolalivro
book and pears
comidaescola
Eye Of Horus
mitologiahistória
Open book
escolalivro
Yellow silage bales in Heden 1
conhecimentocampo
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