Question: How do different cultures cause a problem on the ISS?
About the article "International Space Station", section "Stress".

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Pettit's first space mission was as a mission specialist on ISS Expedition 6 in 2002 and 2003.
During his six-month stay aboard the space station, he performed two EVAs to help install external scientific equipment.
During free time on his stay aboard the International Space Station, he conducted demonstrations showing how fluids react in an extremely low gravity environment in a series he called "Saturday Morning Science".
Pettit was Mission Specialist 1 on the STS-126 mission to deliver equipment and supplies to the ISS.
He spent 15 days 20 hours 29 minutes and 37 seconds on board Endeavour.
Pettit also performed experiments on board ISS related to clumping of solid particles in microgravity.
The experiments showed that particles of various materials which varied in size between 1 micrometer and 6 mm naturally clumped together in microgravity when confined to a volume of 4 liters that included a few grams of the materials.
The cause was theorized to be electrostatic.
This presents a plausible mechanism for the initial stages of planetary formation, since particles of this size do not have sufficient gravity to cause this phenomenon.
Pettit again launched to the International Space Station on December 21, 2011 as part of the Expedition 30/31 crew.
He and fellow crewmembers Oleg Kononenko and André Kuipers arrived at the ISS on December 23.
Among his off-duty video demonstrations on the space station has been on water as thin film and the Marangoni convection.
On May 25, 2012, Pettit and Kuipers operated the Canadarm2 to grapple the SpaceX Dragon and berth it to the Harmony module.
Pettit was the first to enter the unmanned supply ship on May 26, making him the first astronaut in the history of space exploration to successfully enter a commercially-built and operated spacecraft docked in the ISS in orbit.  
"Cultural rights are vested not in individuals but in groups, such as religious and ethnic minorities and indigenous societies."
All cultures are brought up differently, therefore cultural rights include a group's ability to preserve its culture, to raise its children in the ways its forebears, to continue its language, and to not be deprived of its economic base by the nation in which it is located."
Anthropologist sometimes choose not to study some cultures beliefs and rights, because they believe that it may cause misbehavior, and they choose not to turn against different diversities of cultures.
Although anthropologist sometimes do turn away from studying different cultures they still depend a lot on what they study at different archaeological sites.