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Scientists reveal what space does to hair - as NASA astronauts return

MailOnline
Summary
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74% Informative

Butch Wilmore and Suni Williams have returned to Earth after nine months aboard the International Space Station .

Williams appeared notably different with a long head of grey hair after landing on Tuesday .

Some online commenters joked that this could be due to a lack of hair dye on the ISS .

But scientists say microgravity interferes with hair growth in astronauts' hair follicles.

Microgravity leads to an increase in 'oxidative stress' in hair cells, which is a potential cause of greying.

Williams ' transformation was so profound that it sparked a bizarre conspiracy theory.

On social media, confused conspiracy theorists mixed up photos taken before and after the nine-month mission.

One confused commenter mistakenly claimed that Williams 's hair had actually darkened while in space.

The International Space Station is a $100 billion ( 80 billion ) science and engineering laboratory that orbits 250 miles above Earth .

VR Score

66

Informative language

58

Neutral language

55

Article tone

semi-formal

Language

English

Language complexity

51

Offensive language

not offensive

Hate speech

not hateful

Attention-grabbing headline

not detected

Known propaganda techniques

not detected

Time-value

short-lived

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