Is a little - known property of computed tomography purrs the Florida key to keep astronauts healthy during farseeing trips in space ? guess for yourself !
Purring is one of the least objectionable sounds a qat can make . It ’s much better than the common alternatives ; hiss , meow for attention , and that disturb squelch sound they make when they ’re gnawing at something stand by in their butt fur . A true purr is the property of the smaller cats , such as your domesticated bozo . Although vainglorious guy make a thrumming breath strait , it is not , accord to the expert at the National Wildlife Federation , a true purr . Why ? Physics ! The purr begins in the larynx of the cats , with a vibration of the vocal cord . To come across right , at the established freqency of 25 to 150 rhythm per second , the hyoid ivory has to vacillate along with the voice box . The hyoid bone is a rough half - circle of off-white under the Kuki-Chin . The small cat ’s hyoid bone is loose , and humming along with the vibration of the vocal cord . The big cat have a organisation of ligament that run along the bone , keeping it in place . They trade this vibration for the majuscule movement of the larynx , which allows them to roar . The only declamatory qat to retain its purring power is the cheetah . No other animal can make the sound that cats do . Which implore the question , why do kat do it ?
The most unwashed possibility is that they purr to bond with other computerized axial tomography , since kittens start purring at about the 2d calendar week , but khat have been known to purr under nerve-racking or painful conditions . Dr. Elizabeth Von Muggenthaler , who is the Chief Executive of Fauna Communications Research , and , judging by her name , a amply - dependent instructor at Hogwarts , suggests that the vibration can heal harm and has been shown to increase bone density . castanets respond to pressure by building themselves up . Constant low insistence vibrations could mould to the same academic degree that more casual gamy - impact move does . Caterpillar might have adapted to purr to help keep their muscles , sinew , and os healthy despite their astounding napping ability .

A sedentary life style is n’t the only agency to earn frail bones and sad , weak muscles . get going into distance will do the same thing . cosmonaut come back from orbiting the solid ground only to head into forcible rehab . Microgravity , the kind that people experience on the space station , can result in one percentage bone loss per month . Without the ability to on a regular basis practice muscles , astronauts also lose muscle hatful and strength , specially in their pegleg . One causa , which imitate the way gravity causes our body to exert pressure on our lower extremities , has already been plan to cope with the damage that distance does to people . peradventure a different suit could be designed – one that simulate the frequency and tone of a cat ’s purr to help astronauts keep their finger cymbals and muscle strong in microgravity . All we need to do is explain that astronauts postulate to be fitted with vibrating catsuits .
Superhero spacesuits may keep bones strong in space
Image : MacPhreak

ViaEveryday Mysteries , Scientific Americantwice , andThe National Wildlife Federation .
CatsMedicinePhysicsScienceSpace
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