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Retrospective analysis of microbial contamination in tattoo and permanent makeup inks

Scientific Reports, Published online: 07 August 2026; doi:10.1038/s41598-026-65785-x Retrospective analysis of microbial contamination in tattoo and permanent makeup inks

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Ancient DNA from lake sediments in Uttarakhand suggest humans arrived in the Himalayas much earlier than previously recorded

Research Matters Staff Writer(s) Roorkee 7 Aug 2026 Researchers have discovered a biological time capsule beneath a remote Himalayan lakebed, revealing that humans were roaming the high-altitude peaks…

  • Humans inhabited Himalayas 8,300 years ago, earlier than previously thought
  • Ancient DNA and chemical markers found in Toli Lake sediments
  • Study reveals 15,000-year climate and human migration history