Category Archives: Biomedical

Biomedicine, especially reproductive medicine, embryology

The Sound of Noise & Silence

Among many things we will remember after the coronavirus pandemic, the world was quieter than normal. When I compared a busy avenue-street intersection in Manhattan before and during the lockdown, I found a 6 decibel (dB) difference, four-fold in amplitude. … Continue reading

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About Giant Eggs & Double Yolks

This week’s gift from a neighbor’s chicken coop included one extra-large egg. After hard-boiling and cracking open we found a double yolk, which some say is a good omen on our wedding anniversary. The following conversation over a meal would … Continue reading

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Graying, Viruses and Broken Hearts

A long time ago I made a discreet survey of male manes. Perhaps it was an idle way to cure boredom on journeys, but the more I looked the more convinced I became that men who turn gray when young … Continue reading

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Elegy for a Significant Speck (frozen eggs and embryos)

Two American fertility clinics reported freezers failing last month, and had thawed to an undisclosed degree. This rare event shocked hundreds of patients who were storing embryos, eggs and ovarian tissue. Maybe it was the equipment that failed or a … Continue reading

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Demography of IVF and World Population

Predicting the future is fickle, as Stephen Hawking once observed: “it exists only as a spectrum of possibilities.” And, yet, divining the future is irresistible and physicists strive to forecast the future of stars, black holes and climate. Biologists are … Continue reading

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