Ancient DNA in ice, such as the Ötzi the Iceman (Handt "et al." 1994), or through rapid desiccation, such as high-altitude mummies from the Andes (c.f. Pääbo 1986; Montiel "et al." 2001), as well as various sources of artificially preserved tissue (such as the chemically treated mummies of ancient Egypt). However, mummified remains are a limited resource. The majority of human aDNA studies have focused on extracting DNA from two sources that are much more common in the archaeological record – bone and teeth. Several other sources have also yielded DNA, including paleofaeces (Poinar "et al." 2001) and hair (Baker "et al."
Iceman (Marvel Comics) Iceman is revealed to be gay, which eventually forces the youth to confront the adult version of himself about the matter. As both speak, the adult Iceman confirms the fact and that he had put all his energy into just being an X-Man as he couldn't cope with being a mutant and gay simultaneously. With the help of his younger self and Jean Grey, however, he finally comes to terms with his own sexuality, and comes out to fellow gay X-Man Anole in "Extraordinary X-Men" #6. Iceman is Roberto Trefusis in the miniseries "Marvel 1602", a member of the group