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"HOUSTON, STATION
ON SPACE TO GROUND."

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WELCOME TO SPACE TO
GROUND, I'M DAN HUOT.

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THE SCIENCE CONTINUED
ON STATION THIS WEEK

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WITH THE CREW OF EXPEDITION 55.

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JAPANESE ASTRONAUT NORISHIGE
KANAI INSTALLED A NEW INFRARED

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SENSOR IN THE STATION'S
ADVANCED PLANT HABITAT

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TO MEASURE TEMPERATURES

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OF THE GROWING DWARF
WHEAT OVER THE NEXT WEEK.

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THE AUTOMATED PLANT GROWTH
CHAMBER HAS BEEN GROWING WHEAT

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AND A PLANT CALLED
ARABIDOPSIS FOR SEVERAL WEEKS

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IN ONGOING EFFORTS TO
IMPROVE OUR ABILITY

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TO CULTIVATE CROPS
IN MICROGRAVITY.

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AND ASTRONAUT SCOTT TINGLE
TOOK A FEW MINUTES TO SPEAK

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WITH STUDENTS AND FACULTY

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FROM HIS OLD COLLEGE
STOMPING GROUNDS.

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TINGLE SPOKE WITH A
CROWD AT THE UNIVERSITY

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OF MASSACHUSETTS-DARTMOUTH

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AND SHARED ONE PRETTY
SURREAL EXAMPLE

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OF HOW EXTREME ASTRONAUT
TRAINING CAN BE.

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"WE'RE TRAINED TO
OFFER FIRST AID

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IN MANY MANY DIFFERENT
SCENARIOS,

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AND WE ACTUALLY TRAINED IN AN
EMERGENCY ROOM FOR A COUPLE

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OF WEEKENDS HELPING
REAL LIFE PEOPLE.

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AND A SHORT STORY,
THE ONE PERSON,

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THE ONE PATIENT I HAD
COME IN HAD HIS EAR,

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THAT HAD BEEN CUT OFF IN A
FIGHT, AND I ACTUALLY SEW IT

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ON FOR HIM, SO IT WAS A
PRETTY UNIQUE EXPERIENCE."

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THIS WEEKS TWITTER QUESTION
COMES FROM TAY DA FOOL

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WHO WANTED TO KNOW HOW OFTEN
ASTRONAUTS WASH CLOTHES

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AND NEED TO CHANGE.

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WELL THERE'S NO LAUNDRY SERVICE
ON STATION SO THE CREW HAS

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TO MAKE THEIR CLOTHES LAST.

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WATER IS A VERY VALUABLE
RESOURCE IN SPACE

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SO THERE'S NO EXTRA TO
USE ON WASHING CLOTHES.

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MOST DIRTY CLOTHES GET PACKED
AWAY ON DEPARTING CARGO SHIPS

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TO BURN UP IN THE
EARTH'S ATMOSPHERE ALONG

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WITH ANY OTHER TRASH
AND DISPOSABLE ITEMS.

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AS FOR HOW OFTEN THEY CHANGE, IT
VARIES BETWEEN EACH CREW MEMBER,

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WITH SOME WEARING CLOTHES
FOR A FEW DAYS AT A TIME.

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JAPANESE ASTRONAUT KOICHI WAKATA
WORE SOME EXPERIMENTAL CLOTHES

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FOR A MONTH STRAIGHT, BUT THEY
WERE DESIGNED TO KILL ODOR

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AND BACTERIA AND DRY QUICKLY.