Into the Deep with Submersible NIRS
Seals are adept ocean divers... Now, near-infrared spectroscopy provides clues as to how they survive extreme depths.
Matthew Hallam | | Quick Read
Did you know that the deepest recorded seal dive is over 2.3 kilometers? Here, water pressure reaches approximately 240 times the air pressure at the surface, and temperatures plummet to near zero.
Dedicated divers (like the seal) have evolution to thank for their talent – but exactly what physiological changes allow them to thrive rather than just survive? Such knowledge could be used to further our understanding of human issues related to breath-hold diving – such as shallow water blackout – allowing us to better protect free divers.
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