NASA astronaut Chris Williams configures research hardware for a biotechnology investigation

NASA astronaut Jack Hathaway configures research hardware for a biotechnology investigation

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NASA astronaut Jessica Meir configures research hardware for a biotechnology investigation

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Astronaut Jessica Meir swapps scientific hardware inside the BioLab research incubator

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ESA astronaut Sophie Adenot speaks on the International Space Station's ham radio

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NASA astronaut Chris Williams speaks to students on the ham radio

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NASA astronauts Jack Hathaway and Jessica Meirinside the Kibo laboratory module

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NASA astronaut Jessica Meir processes samples of heart stem cells and bacteria

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NASA astronaut Jack Hathaway swaps hardware to support a biotechnology study

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NASA astronaut Jessica Meir prepares blood platelet samples for incubation and growth

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ESA astronaut Sophie Adenot shows off new scientific hardware

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NASA astronaut Chris Williams inserts a cryogenic storage unit into a science freezer

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NASA astronaut Chris Williams works on the Space Cancer Therapeutics investigation

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Astronauts Sophie Adenot and Jack Hathaway look out a window in the cupola

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NASA astronaut Chris Williams poses for a portrait inside the Kibo laboratory module

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NASA astronaut Anil Menon is pictured inside the Quest airlock tryng on a spacesuit

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NASA astronaut Jessica Meir organizes tools inside the Quest airlock

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NASA astronaut and Expedition 75 commander Jessica Meir conducts a spacewalk

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NASA astronaut Anil Menon is pictured outside the Quest airlock during a spacewalk

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NASA astronauts Jessica Meir and Chris Williams are pictured during a spacewalk

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NASA astronaut replaces sample hardware inside the Microgravity Science Glovebox

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NASA astronaut Jack Hathaway shows off NanoRacks research hardware

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ESA astronaut Sophie Adenot tries on a spacesuit inside the Quest airlock

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NASA astronaut Anil Menon reviews procedures for emergency scenarios

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Astronaut Sophie Adenot is pictured inside the International Space Station's Quest airlock

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