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If helium makes your voice "cartoonish", the sulfur hexafluoride makes his "villainous"
Everyone knows the property helium act on the vocal cords, so that the voice on some time becomes high, and as it were "cartoonish." But it turns out there is his opposite - gas called sulfur hexafluoride. If helium is much lighter than air, the sulfur hexafluoride 6 times heavier than air. Inhalation of this gas "coarsens" vote, making it low and rasping.
via factroom.ru
The temperature of the coldest temperature of the star is equal to a cup of tea
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