No one frozen has been revived yet, but animals cooled have been and the procedure is being tested on human trauma victims in hospitals now: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Emergency_Preservation_and_Resuscitation" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Emergency_Preservation_and_Res...</a>