Saturday, 31 July 2021

Covid: Pulse oxygen monitors work less well on darker skin, experts say

Pulse oximeters, which spot falling oxygen levels, may work less well on darker skin, experts warn.

from BBC News - Home https://ift.tt/3yjAhYc

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This fish species survived 100,000 years without males. Scientists thought it should be long dead – but it's thriving - BBC

This fish species survived 100,000 years without males. Scientists thought it should be long dead – but it's thriving    BBC from Top s...