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  1. WeRtheOcean

    Returning to diving after having Covid?

    But the OP specifically asked about those who recovered. Those who died are not included in the wording of the question. So survivors bias is not a problem here. I think the real issue, given the original question, is how likely is it that someone who recovered and feels okay has hidden damage...
  2. WeRtheOcean

    Unbelievable Find! Hand Etched Dated Black Glass Mallet Bottle..

    Question: that pale grayish film on the glass: do you remove it, and if so, how?
  3. WeRtheOcean

    Settling a debate: can divers hear submarines?

    That is what's known as a lunker.
  4. WeRtheOcean

    If I replace my lead dive weights with gold, how much do I need?

    But Bitcoin has neither weight nor density, so no amount of Bitcoin will be sufficient. They both weigh the same, but I think that the ten pounds of lead would be a lot easier to carry. I'm surprised no one has mentioned Archimedes yet...
  5. WeRtheOcean

    Basic gear from mid-twentieth-century Italy: Mares and Pirelli

    I put these together because the narwhal is, in a sense, also a mythological creature -- not Greek myth this time, but broader European myth. The unicorn legend seems to have been based on narwhal tusk trade items: The unicorn and the narwhal: a tale of the tooth - PubMed
  6. WeRtheOcean

    Coral Bleaching in Maldives - How Widespread is the Problem?

    So in other words, there is no hope. Because each of those activities will be deemed economically indispensable (just like every environmentally destructive activity). On the other hand, when sea level rise turns the Maldives into a range of guyots, all three of those activities will stop...
  7. WeRtheOcean

    DIVE DRY WITH DR. BILL #889: MISSING IN ACTION?

    Environmental activists speak of "tipping points" a lot. Hopefully you haven't just seen one!
  8. WeRtheOcean

    I tested positive for covid

    Can't win for losing. Some of the vaccine skeptics have seized on that and used it to cast doubt on the vaccine's efficacy. Can't say as I blame them, either, because a lot of us were mainly hoping that a vaccine would end the restrictions.
  9. WeRtheOcean

    Has anyone had Covid and went diving when they were better?

    That's true of a lot of "normal" viruses, too, though. Like the flu.
  10. WeRtheOcean

    Bottles n' Crocks n' Pipes - Oh My!

    And I see that next to it you have an electrical insulator.
  11. WeRtheOcean

    Scuba geocaching

    Since when can people be counted on not to get too serious about something like that?
  12. WeRtheOcean

    Natalia Avseenko …10 min in water -1.5 °C with belugas

    ...aaand the third "video" just used the stills from the Daily Mail article.
  13. WeRtheOcean

    Natalia Avseenko …10 min in water -1.5 °C with belugas

    All sorts of scientists touch and even handle all sorts of wild animals.
  14. WeRtheOcean

    Has anyone had Covid and went diving when they were better?

    This is uncharted territory. There are no systematic data on post-COVID diving.
  15. WeRtheOcean

    Unusual Things That You've Found

    This looks like a plot point in a Carl Hiaasen novel...
  16. WeRtheOcean

    Basic gear from mid-twentieth-century Italy: Mares and Pirelli

    I assume that this (and the other spelling with a "j") is a reference to the naiads of Greek mythology?
  17. WeRtheOcean

    Which fish is this?

    It depends on the degree of genetic incompatibility. If the gametes of the two species are compatible, then there could be hybrids.
  18. WeRtheOcean

    Bamboo Worm?

    Tube worms.
  19. WeRtheOcean

    Autism is an Epidemic....Can Scuba Therapy Help?

    Then there are those of us who have struggled all our lives with "high functioning" autism, and were only diagnosed as adults, and found it a relief to understand, finally, why we just couldn't seem to make a go of life no matter how hard we tried. This, after years of hearing the anti-welfare...
  20. WeRtheOcean

    Shell collectors ?

    I went through my shell collecting phase as a kid. I grew up in the Ocean State (Rhode Island), and before the age of ten, I knew the common name of every shell on the beach. Knobbed whelk, slipper shell, blue mussel, quahog, on and on. At one time I may have had a dried starfish, but only if it...
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