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We Emit a Visible Light That Vanishes When We Die, Says Surprising New Study

  • In 2009, a team of scientists affiliated with Canadian institutions conducted experiments measuring ultraweak photon emissions from entire mice and various plant leaves under different experimental conditions.
  • They aimed to determine if UPE intensity, linked to cellular metabolism, changed when scaling from tissues to entire living organisms and if it ceased upon death.
  • Using electron-multiplying charge-coupled device cameras, the team imaged four mice alive and after euthanasia, showing UPE rapidly declined postmortem and increased in injured plant leaves.
  • The researchers observed that damaged areas of all leaves emitted noticeably more light compared to the intact regions throughout the entire 16-hour imaging period, suggesting that stress increases photon emission.
  • These findings suggest non-invasive monitoring of UPE could track health or stress in humans, animals, crops, or bacteria before visible damage manifests.
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IFLScience broke the news in on Monday, May 12, 2025.
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