Hidden tattoos on mummy skin emerge under a laser's light / Laser scans reveal secrets of mysterious tattoos on 1,200-year-old mummies / Tattoos and pain management while getting inked / Friday the 13th has become a day for shops to offer inexpensive tattoos / Ground-breaking new technology uses tattoos as brain sensors / Price of tattoos 'will rise' as new safety rules begin / Tattoos to confront the terror of death: Researchers examine rise of memorial tattoos in Israel / Cancer care: New initiative to remove body reference tattoos from patients after cancer treatment / Miss Manners: Are uncovered tattoos okay in the workplace these days? / Free tattoo cover-ups for Valentine's Day