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    Slim woman wearing shorts and top and standing in high field grass and touching stem tenderly — Stock Photo
    Slim woman wearing shorts and top and standing in high field grass and touching stem tenderly
    Close-up of willow catkins on tree branch — Stock Photo
    Close-up of willow catkins on tree branch
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Mid section of woman cutting stem of flower at home — Stock Photo
    Mid section of woman cutting stem of flower at home
    Human embryonic stem cells in Petri dish, digital illustration. — Stock Photo
    Human embryonic stem cells in Petri dish, digital illustration.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Purple lily flower on long stem in black glass vase on grey background — Stock Photo
    Purple lily flower on long stem in black glass vase on grey background
    Various pot plants on wooden table — Stock Photo
    Various pot plants on wooden table
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Scientist pipetting sample into growth medium in multiwell plate. — Stock Photo
    Scientist pipetting sample into growth medium in multiwell plate.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Researchers handling stem cell cultures in laboratory while drug research. — Stock Photo
    Researchers handling stem cell cultures in laboratory while drug research.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Human embryonic stem cell, digital illustration. — Stock Photo
    Human embryonic stem cell, digital illustration.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Technician checking stem cell cultures in bioengineering laboratory. — Stock Photo
    Technician checking stem cell cultures in bioengineering laboratory.
    Human embryonic stem cell, digital illustration. — Stock Photo
    Human embryonic stem cell, digital illustration.
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Woman taking photo of plant with mobile phone in garden — Stock Photo
    Woman taking photo of plant with mobile phone in garden
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Young female scientist viewing microscope during research. — Stock Photo
    Young female scientist viewing microscope during research.
    Purple lily flower on grey background — Stock Photo
    Purple lily flower on grey background
    Purple lily flower — Stock Photo
    Purple lily flower
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Human embryonic stem cells in Petri dish, digital illustration. — Stock Photo
    Human embryonic stem cells in Petri dish, digital illustration.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.
    Close-up of peaches on peach tree in garden — Stock Photo
    Close-up of peaches on peach tree in garden
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Young woman sitting on grassy field on blanket with dandelion stem. — Stock Photo
    Young woman sitting on grassy field on blanket with dandelion stem.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Various pot plants on wooden table — Stock Photo
    Various pot plants on wooden table
    Woman using digital tablet at table — Stock Photo
    Woman using digital tablet at table
    Purple lily flower in glass vase — Stock Photo
    Purple lily flower in glass vase
    Woman checking plant in the garden — Stock Photo
    Woman checking plant in the garden
    Scientist preparing cells in multiwell plate. — Stock Photo
    Scientist preparing cells in multiwell plate.
    Researcher handling stem cell cultures in laboratory during research. — Stock Photo
    Researcher handling stem cell cultures in laboratory during research.
    Close-up of pot plant on table — Stock Photo
    Close-up of pot plant on table
    Close-up of technician storing stem cell samples in cryostorage. — Stock Photo
    Close-up of technician storing stem cell samples in cryostorage.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    View of boy programming at computer in classroom on digital camera viewfinder — Stock Photo
    View of boy programming at computer in classroom on digital camera viewfinder
    Human hand touching leafless branch — Stock Photo
    Human hand touching leafless branch
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Side view of woman smelling red rose in the garden — Stock Photo
    Side view of woman smelling red rose in the garden
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Focused boy student programming at computer in dark classroom — Stock Photo
    Focused boy student programming at computer in dark classroom
    Students talking at table in library — Stock Photo
    Students talking at table in library
    Focused boy student assembling electronics in classroom — Stock Photo
    Focused boy student assembling electronics in classroom
    Blastocyst hollow ball of cells with fluid, digital illustration. — Stock Photo
    Blastocyst hollow ball of cells with fluid, digital illustration.
    Male teacher calling on students in classroom — Stock Photo
    Male teacher calling on students in classroom
    Male teacher leading physics lesson at whiteboard in classroom — Stock Photo
    Male teacher leading physics lesson at whiteboard in classroom
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium. — Stock Photo
    Close-up of hand of cell biologist holding flask of stem cells cultivated in red growth medium.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.