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Portrait of little boy with test tube and microscope

Portrait of little boy with test tube and microscope

Portrait of little boy with test tubes and microscope

Portrait of little boy with test tubes and microscope

Blond little boy using microscope

Portrait of blond little boy using microscope

Two little boys playing with utensils of chemical laboratory

Two little children playing with utensils of chemical laboratory

Two little children playing with utensils of chemical laboratory

Children look into microscope in laboratory

Children look into microscope in laboratory

Two little boys playing with utensils of chemical laboratory

Students in science class experimenting with test tubes

Girl student using microscope, conducting scientific experiment in laboratory classroom

A girl is holding molecular model in laboratory

Girl students using microscope, conducting scientific experiment in laboratory classroom

Girl pretending to be scientist examining test tube

Students in chemistry class pipetting liquid into test tube

Students in chemistry class pipetting liquid into test tube

Students in chemistry class pipetting liquid into test tube

Boy (5-7) wearing white coat holding test tube in laboratory, smiling

Portrait of smiling little boy with microscope

Pupils experimenting with test tubes in science class

Blood samples in test tube rack

Young lab technician with test tube rack

Young lab technician with test tube rack

Portrait of smiling lab technician with test tube rack

Smiling girl students examining liquid in test tube, conducting scientific experiment in laboratory classroom

Germany, Brandenburg, Boy researching with chemical

Boy is holding molecular model in laboratory

Close up of microscope slides in lab

A girl do experiment with pipette and test tube

Student in chemistry class pipetting liquid into test tube

Germany, Bavaria, Munich, Scientist holding red liquid in test tube for medical research in laboratory

Germany, Bavaria, Munich, Scientist holding red liquid in test tube for medical research in laboratory

Germany, Bavaria, Munich, Scientist pouring red liquid in test tube for medical research in laboratory

Germany, Bavaria, Munich, Scientist pouring red liquid in test tube for medical research in laboratory

Close up of pipette dropping sample onto microscope slide in lab

Germany, Bavaria, Munich, Scientist pouring red liquid with pipette in test tube for medical research in laboratory

Germany, Bavaria, Munich, Scientist pouring red liquid with pipette in test tube for medical research in laboratory

Germany, Bavaria, Munich, Scientist pouring red liquid with pipette in test tube for medical research in laboratory

Germany, Bavaria, Munich, Scientist pouring red liquid with pipette in test tube for medical research in laboratory

Germany, Bavaria, Munich, Scientist pouring red liquid with pipette in test tube for medical research in laboratory

Germany, Bavaria, Munich, Scientist pouring red liquid with pipette in test tube for medical research in laboratory

Germany, Bavaria, Munich, Scientist pouring red liquid with pipette in test tube for medical research in laboratory

Rack of test tubes with solution on counter in lab

Rack of test tubes with solution on counter in lab

Blood samples in test tube rack

Test tubes in lab

Children playing scientists in lab

Children playing scientists in lab

Lab samples in test tubes

Oil in test tubes on table

Liquids in test tubes in lab

Green turbine in beaker by test tubes on table

Student in science class experimenting with test tubes

Oil in test tubes by beaker with green turbine on table

Close-up of test tubes on table

Close-up of test tubes on table

Close-up of test tubes on table

Close-up of test tubes on table

Close-up of test tubes on table

Scientist arranging test tube in rack while working in laboratory

Scholar who shakes test tube in laboratory

Portrait of girl pretending to be scientist in laboratory

Two students in chemistry class pipetting liquid into test tube

Student in chemistry class pipetting liquid into test tube

Student in chemistry class pipetting liquid into test tube

Germany, Bavaria, Munich, Scientist holding test tube for medical research in laboratory

Laboratory technician in analytical laboratory with test tube tray

Laboratory technician in analytical laboratory with test tube tray

Germany, Human hand holding test tube with blue liquid

Germany, Human hand holding test tube with blue liquid

Germany, Human hand holding test tube with blue liquid

Chemist holding test tube against white background, close up

Chemist holding test tube against white background, close up

Germany, Bavaria, Munich, Scientist holding red liquid in test tray for medical research in laboratory

Germany, Bavaria, Munich, Scientist with test tube rack and petri dishes doing medical research

Pouring liquid in glass bowl under microscope

Scientist pouring liquid in test tube

Portrait of singing little boy with headphones and microphone

Test tubes in laboratory

Microscope and test tubes

Microscope and test tubes

Curious boy using microscope while sitting on father's shoulders at home

Male scientist injecting medicine in test tube at laboratory

Chemist working in industrial laboratory, checking test tube

Close-up of scientist pouring liquid in test tube

Petri dishes and test tubes in lab

Girl pretending to be scientist removing test tube from rack

Scientist in lab holding test tubes in rack

Laboratory technician taking samples in lab

Laboratory technician taking samples in lab

Two scientists working with liquids in lab

Portrait of smiling scientist in lab

Female scientist mixing liquids in lab

Portrait of smiling female scientist in lab

Portrait of smiling scientist in lab

Test tubes in a test tube rack

Test tubes in a test tube rack

Lab assistant holding test tube rack

Lab assistant holding test tube rack

Lab assistant holding test tube rack

Male scientist holding test tube rack in laboratory during COVID-19

Empty tubes in a test tube rack

Young lab technician looking at medical sample

Smiling lab technician holding medical sample

Young lab technician looking at medical sample

Germany, Bavaria, Munich, Test tubes in test tube rack

Pupils in science class experimenting with liquids in test tubes

Pupils in science class experimenting with liquids in test tubes

Pupils in science class experimenting with liquids in test tubes

Pupils in science class experimenting with liquids in test tubes

Curious boy using pipette in beaker at interactive exhibit in science center

Curious kids watching multicolor foam in beakers

Close-up of test tubes on table

Focused boy student using microscope in classroom

Samples being poured in test tube for research at laboratory

Male scientist wearing protective face mask while examining chemical in test tube at laboratory

Serious male scientist holding digital tablet while working in laboratory

Focused boy student reading textbook at microscope in laboratory classroom

Boy student using microscope, conducting scientific experiment in laboratory classroom

Girl pretending to be scientist looking through microscope

Germany, Bavaria, Munich, Droplet being dispensed from pipette into test tube

Germany, Bavaria, Munich, Test tube rack and petri dishes with green sample in laboratory

Germany, Bavaria, Munich, Droplet being dispensed from pipette into test tube

Germany, Bavaria, Munich, Droplet being dispensed from pipette into test tube

Close up of pipette dropping solution into test tube in rack in lab

UK, Portrait of smiling boy (4-5) making science experiments at home

UK, Boys (4-5, 10-11) making science experiments at home

UK, Boy (4-5) making science experiments at home

UK, Boy (4-5) making science experiments at home

Scientist pipetting samples in laboratory

Scientist pipetting samples in laboratory

Germany, Bavaria, Munich, Scientist using laptop in laboratory

Germany, Bavaria, Munich, Red liquid in beaker, scientist doing medical research in background

Germany, Bavaria, Munich, Scientist holding red liquid in petri dish for medical research in laboratory

Germany, Bavaria, Munich, Scientist holding red liquid in petri dish for medical research in laboratory

Germany, Bavaria, Munich, Scientist pouring red liquid with pipette for medical research in laboratory

Close-up of scientists gloved hand holding pipette in lab

Close-up of scientists gloved hand holding pipette in lab

Hand reaching for vial with green fluid,monitor with x-rays in foreground

Germany, Human hand pipetting pink liquid into test tubes

Germany, Human hand pipetting pink liquid into test tubes

Germany, Bavaria, Munich, Scientist with test tubes in laboratory

Germany, Bavaria, Munich, Scientist with test tubes doing medical research

Germany, Bavaria, Munich, Scientist with test tubes doing medical research

Germany, Bavaria, Munich, Scientist with test tubes in laboratory

Germany, Bavaria, Munich, Scientist with test tubes in laboratory

Germany, Young scientist pipetting blue liquid into test tubes, close up

Germany, Young scientist pipetting blue liquid into test tubes, close up

Germany, Young scientist pipetting blue liquid into test tubes, close up

Germany, Young scientist pipetting blue liquid into test tubes, close up

Germany, Young scientist pipetting blue liquid into test tubes, close up

Germany, Young scientist pipetting blue liquid into test tubes, close up

Germany, Young scientist pipetting blue liquid into test tubes, close up

Germany, Young scientist pipetting blue liquid into test tubes, close up

Germany, Bavaria, Munich, Scientist filling test tubes with pipette for medical research

Germany, Bavaria, Munich, Scientist with pipette and test tubes in laboratory

Germany, Bavaria, Munich, Scientist with pipette and test tubes in laboratory

Germany, Bavaria, Munich, Scientist with pipette and test tubes in laboratory

Germany, Bavaria, Munich, Scientist filling test tubes with pipette for medical research

Germany, Bavaria, Munich, Scientist with pipette and test tubes in laboratory

Germany, Bavaria, Munich, Scientist with pipette and test tubes in laboratory

Scientist holding test tube during an experiment in the laboratory

High School students. Young handsome male student peering through microscope in science classroom

High School students. Young handsome male student peering through microscope in science classroom

High School students. Young handsome male student peering through microscope in science classroom. Lots of copyspace

Girl wearing work coat and safety glasses using chemistry set at home

Portrait of smiling female teacher wearing protective eyewear, standing behind desk with microscope and test tubes in rack

Girl students using microscope, conducting scientific experiment in laboratory classroom

test tube

Research experiment, Scientist mixing a chemical formula in a test tube

Research experiment, Scientist mixing a chemical formula in a test tube

Laboratory technician in analytical laboratory with test tube tray

Laboratory technician in analytical laboratory with test tube tray

Laboratory technician in analytical laboratory with test tube tray

Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom

Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom

Boy students conducting scientific experiment, examining liquid in test tube in laboratory classroom

Portrait of singing little boy with microphone

Portrait of blond little boy painting with watercolours

Metal displacment reaction

Microscope and test tubes

Chemist working in industrial laboratory, checking test tube

Chemist working in industrial laboratory, checking test tube

Scientist working in lab holding a test tube

girl blowing inside tube at science experiment

Girl pretending to be scientist examining test tube

Lab technician examining sample

Nurse educating young colleagues

Female biologist working in a laboratory

Scientist holding test tube rack

Young lab technician looking at medical sample

Students in chemistry class pipetting liquid into test tube

Students in science class experimenting with test tubes

Students in science class experimenting with test tubes

Students in science class experimenting with test tubes

試験管

Empty tubes in a test tube rack