Birdwatch Note Rating
2024-09-21 06:14:17 UTC - HELPFUL
Rated by Participant: B615626EC757FF74A9C335FF03B5E142707B52279A4D659FC24FBA53727B84F8
Participant Details
Original Note:
The "zinc spark" is a natural event: eggs release zinc ions at fertilization. Fluorescent probes bind to the ions and induce light emission, making the process visible under a microscope. The fluorescence is artificially induced, but the zinc release is natural. Source: https://news.northwestern.edu/stories/2016/04/human-egg-releases-an-explosion-of-zinc-sparks-at-the-moment-of-conception/
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