Recent content by BillTre

  1. BillTre

    Share Animal Pictures: For Animal Lovers

    Opps. Left out the caption. Its a fossil crinoid. Like an upside-down star fish (sea star) on a stem.
  2. BillTre

    Renewable Energy Sources are Making Gains

  3. BillTre

    Share Animal Pictures: For Animal Lovers

  4. BillTre

    Collection of Science Jokes P2

  5. BillTre

    Share Animal Pictures: For Animal Lovers

  6. BillTre

    Clues to Early Life Metabolism

    This paper just showed up: Intermediate stages in the origin of metabolism at a phosphorylating hydrothermal vent It is open access and can be found here. in Science Advances, 5 Aug 2026, Vol 12, Issue It is my origin of life paper of the year so far. The article describes (based upon...
  7. BillTre

    Random Photos

  8. BillTre

    Random Photos

  9. BillTre

    Renewable Energy Sources are Making Gains

  10. BillTre

    Share Animal Pictures: For Animal Lovers

  11. BillTre

    Random Photos

    Petoskey stones, fossilized coral.
  12. BillTre

    Share Animal Pictures: For Animal Lovers

    A pipefish. Related to sticklebacks.
  13. BillTre

    Collection of Lame Jokes

  14. BillTre

    Random Photos

  15. BillTre

    If we were able to prevent brain cell death as we age, would it be possible to achieve immortality or near immortality?

    1) There are some dividing neuroblasts (cells that make more neurons) in at least some adult vertebrates. These have been shown to be able to replace some adult neurons, like some olfactory (smell) system neurons and some hippocampal neurons (involved in learning and location). These maybe the...
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