Icefish Study Adds Another Color to the Story of Blood

(quantamagazine.org)

39 points | by digital55 1802 days ago

1 comments

  • fourbits 1801 days ago
    """ Much of evolution depends on historical contingency, too. The earliest organisms had many oxygen-controlling pigments at their disposal. But once lineages of organisms committed to using certain ones for certain jobs, it may have been difficult if not impossible for them to drastically revise that choice. """ Makes me feel better about all the technical debt I've contributed to over the years.