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341 results

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    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Young woman using smart phone along canal — Stock Photo
    Young woman using smart phone along canal
    Teenage girls eating sushi and texting with cell phone in sunny kitchen — Stock Photo
    Teenage girls eating sushi and texting with cell phone in sunny kitchen
    Nerve cells and axon structures — Stock Photo
    Nerve cells and axon structures
    Young man photographing friends at sunny summer riverside — Stock Photo
    Young man photographing friends at sunny summer riverside
    Carefree teenage twin sisters with braces taking selfie with smart phone — Stock Photo
    Carefree teenage twin sisters with braces taking selfie with smart phone
    Inside the Mamertine Prison — Stock Photo
    Inside the Mamertine Prison
    Female friends using smart phone in park — Stock Photo
    Female friends using smart phone in park
    Couple taking self-portrait in park — Stock Photo
    Couple taking self-portrait in park
    Cell culture plate on white background. — Stock Photo
    Cell culture plate on white background.
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Empty jail holding cell in Dallas, Texas, USA — Stock Photo
    Empty jail holding cell in Dallas, Texas, USA
    Tired, stressed female college student studying — Stock Photo
    Tired, stressed female college student studying
    Young women friends hanging out, using smart phones on apartment sofa — Stock Photo
    Young women friends hanging out, using smart phones on apartment sofa
    Woman with camera phone photographing friends with arms raised at sunny summer riverside — Stock Photo
    Woman with camera phone photographing friends with arms raised at sunny summer riverside
    Enthusiastic friends being photographed on double-decker bus — Stock Photo
    Enthusiastic friends being photographed on double-decker bus
    Young man with dogs working at desk in home office — Stock Photo
    Young man with dogs working at desk in home office
    Man and woman texting with cell phone and drinking beer at bar — Stock Photo
    Man and woman texting with cell phone and drinking beer at bar
    Teenage girls texting with cell phones in kitchen — Stock Photo
    Teenage girls texting with cell phones in kitchen
    College students using smart phones and hanging out — Stock Photo
    College students using smart phones and hanging out
    Smiling young couple taking selfie in camera phone — Stock Photo
    Smiling young couple taking selfie in camera phone
    Smiling young woman commuting with bicycle, texting with cell phone on sunny urban street — Stock Photo
    Smiling young woman commuting with bicycle, texting with cell phone on sunny urban street
    Teenage twin sisters taking selfie with smart phone — Stock Photo
    Teenage twin sisters taking selfie with smart phone
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Smiling lesbian couple hugging, taking selfie with camera phone in bedroom — Stock Photo
    Smiling lesbian couple hugging, taking selfie with camera phone in bedroom
    Human brain cells — Stock Photo
    Human brain cells
    Young woman posing for a selfie at sidewalk cafe — Stock Photo
    Young woman posing for a selfie at sidewalk cafe
    A Latina mother and daughter take a selfie photo with a cell phone and — Stock Photo
    A Latina mother and daughter take a selfie photo with a cell phone and
    Smiling young man using smart phone in window — Stock Photo
    Smiling young man using smart phone in window
    Teenage friends using smart phones — Stock Photo
    Teenage friends using smart phones
    People reading magazine and using digital tablet in cafe — Stock Photo
    People reading magazine and using digital tablet in cafe
    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.
    Tween girl texting with smart phone — Stock Photo
    Tween girl texting with smart phone
    Portrait smiling Chinese woman texting with cell phone in cafe — Stock Photo
    Portrait smiling Chinese woman texting with cell phone in cafe
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus. — Stock Photo
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus.
    Portrait teenage boy texting with smart phone — Stock Photo
    Portrait teenage boy texting with smart phone
    Teenage girl laying and texting with cell phone — Stock Photo
    Teenage girl laying and texting with cell phone
    Women friends drinking coffee, dangling legs out urban apartment window — Stock Photo
    Women friends drinking coffee, dangling legs out urban apartment window
    Close up woman with manicure and rings covering smart phone screen — Stock Photo
    Close up woman with manicure and rings covering smart phone screen
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus. — Stock Photo
    Coloured scanning electron micrograph of 293T cell infected with human immunodeficiency virus.
    Young woman posing for a selfie at outdoor cafe — Stock Photo
    Young woman posing for a selfie at outdoor cafe
    Enthusiastic friends taking selfie on bus — Stock Photo
    Enthusiastic friends taking selfie on bus
    Young female college student using smart phone — Stock Photo
    Young female college student using smart phone
    Female friends drinking coffee and using cell phone in cafe — Stock Photo
    Female friends drinking coffee and using cell phone in cafe
    Portrait smiling woman riding bicycle with mp3 player and headphones in park — Stock Photo
    Portrait smiling woman riding bicycle with mp3 player and headphones in park
    Smiling young woman texting with cell phone on sunny urban street — Stock Photo
    Smiling young woman texting with cell phone on sunny urban street
    Women using camera phone on beach — Stock Photo
    Women using camera phone on beach
    Smiling friends taking selfie on bus — Stock Photo
    Smiling friends taking selfie on bus
    Portrait confident young male college student using smart phone in cafe — Stock Photo
    Portrait confident young male college student using smart phone in cafe
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Smiling woman with afro texting with cell phone on bus — Stock Photo
    Smiling woman with afro texting with cell phone on bus
    Woman using cell phone on park bench — Stock Photo
    Woman using cell phone on park bench
    Woman photographing affectionate couple friends with camera phone at sidewalk cafe — Stock Photo
    Woman photographing affectionate couple friends with camera phone at sidewalk cafe
    Smiling Chinese woman texting with cell phone in cafe — Stock Photo
    Smiling Chinese woman texting with cell phone in cafe
    Woman listening to headphones in living room at home — Stock Photo
    Woman listening to headphones in living room at home
    Portrait smiling, confident young woman with smart phone on urban sidewalk — Stock Photo
    Portrait smiling, confident young woman with smart phone on urban sidewalk
    Man using camera phone in park — Stock Photo
    Man using camera phone in park
    Young woman with camera phone photographing friends at sunny summer picnic riverside — Stock Photo
    Young woman with camera phone photographing friends at sunny summer picnic riverside
    Smiling young man listening to music with headphones and mp3 player at sidewalk cafe — Stock Photo
    Smiling young man listening to music with headphones and mp3 player at sidewalk cafe
    Young adults using smart phones — Stock Photo
    Young adults using smart phones