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Watch The Moment An Egg Becomes An Embryo

A new study shows a zinc outburst occurs when an egg meets sperm.

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New research has captured the moment when an egg meets sperm in a mouse.

Northwestern / Via youtube.com

You're looking at the moment of fertilization! In a study published in Nature Chemistry, a team found that thousands of pouches filled with around a million zinc atoms each erupt under a mouse egg's surface, signifying the official change from egg to embryo.

The green shown above is the egg's surface, and the zinc sparks are yellow.

Getting a better grasp of how zinc fluxes affect cells can be helpful in selecting the best eggs for in vitro fertilization, according to Science News.

Watch the sparks fly below.

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