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  2. List of unsolved problems in geoscience - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    There is compelling evidence, such as measures of a shorter duration of the Earth's rotation and lunar month in the past, pointing to a Moon much closer to Earth during the early stages of the Solar System. [2] What is the long-term heat balance of Earth? How did its internal temperature decay since it formed by accretion of chondrites?

  3. Contaminated evidence - Wikipedia

    en.wikipedia.org/wiki/Contaminated_Evidence

    The goal should always be to eliminate questions before they become an issue; aim never to lose a case on a technicality. In cases that go to court, any unexplained evidence collected at the scene needs to be identified. Unidentified evidence such as latent fingerprints, shoe tracks, hair, blood, and DNA swabbing will need to be identified. [1]

  4. List of unsolved problems in biology - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    There is evidence for both hypotheses. Origin of turtles. Did turtles evolve from anapsids or diapsids? There is evidence for both hypotheses. Paleodictyon: What is the origin of this trace fossil and its modern counterparts? Despite many theories proposed, no evidence has been found to confirm any of them.

  5. Identification studies of UFOs - Wikipedia

    en.wikipedia.org/wiki/Identification_studies_of_UFOs

    Identifying unidentified flying objects (UFOs) is a difficult task due to the normally poor quality of the evidence provided by those who report sighting the unknown object. [1] Observations and subsequent reporting are often made by those untrained in astronomy, atmospheric phenomena, aeronautics, physics, and perception. [ 2 ]

  6. Category:Unexplained phenomena - Wikipedia

    en.wikipedia.org/wiki/Category:Unexplained_phenomena

    Pages in category "Unexplained phenomena" The following 33 pages are in this category, out of 33 total. This list may not reflect recent changes. 0–9.

  7. Molecular autopsy - Wikipedia

    en.wikipedia.org/wiki/Molecular_autopsy

    Molecular autopsy or postmortem molecular testing is a set of molecular techniques used in forensic medicine to attempt to determine the cause of death in unexplained cases, in particular sudden unexplained deaths (for example sudden cardiac death). About 30% of sudden cardiac deaths in young people are not explained after full conventional ...

  8. List of reported UFO sightings - Wikipedia

    en.wikipedia.org/wiki/List_of_reported_UFO_sightings

    The New Zealand Department of Scientific and Industrial Research investigated and did not find evidence that the lights were solid objects. [168] [169] [170] 1979-08-27 Val Johnson incident • NA, United States; Marshall County, Minnesota: Sheriff Val Johnson attributed minor injuries and the shattered windshield of his squad car to a beam of ...

  9. Scientific evidence - Wikipedia

    en.wikipedia.org/wiki/Scientific_evidence

    Such evidence is expected to be empirical evidence and interpretable in accordance with the scientific method. Standards for scientific evidence vary according to the field of inquiry, but the strength of scientific evidence is generally based on the results of statistical analysis and the strength of scientific controls. [citation needed]