A fetus needs oxygen long before its lungs work and it's exposed to the air. Some ingenious biochemistry explains how the mother's blood delivers it.
May 5, 2020 • ~6 min
Tags: placenta baby chemistry pregnancy blood oxygen mother biochemistry hemoglobin breathing breath fetus
Society shapes people’s preferences and emphasises the value of having genetically related children.
April 28, 2020 • ~6 min
Tags: fertility baby covid-19 babies infertility ivf adoption infertile
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