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."
All Those Years Ago All Those Years Ago "All Those Years Ago" is a song by English musician George Harrison, released as a single from his 1981 album "Somewhere in England". Having previously recorded the music for the song, Harrison tailored the lyrics to serve as a personal tribute to his former Beatles bandmate John Lennon, following the latter's murder on 8 December 1980. The recording also includes performances by ex-Beatles Ringo Starr, on drums, and Paul McCartney (along with his Wings bandmates, Linda McCartney and Denny Laine), who overdubbed backing vocals onto the basic track. Released in May 1981, the single spent three