Eggs flash as they meet sperm enzyme, capturing the moment that life begins Credit: Northwestern University

Eggs flash as they meet sperm enzyme, capturing the moment that life begins
Credit: Northwestern University

Human life begins in bright flash of light as a sperm meets an egg, scientists have shown for the first time, after capturing the astonishing ‘fireworks’ on film.

An explosion of tiny sparks erupts from the egg at the exact moment of conception.

Scientists had seen the phenomenon occur in other animals but it is the first time is has been also shown to happen in humans.

“To see the zinc radiate out in a burst from each human egg was breathtaking.”
Professor Teresa Woodruff, Northwestern University

Not only is it an incredible spectacle, highlighting the very moment that a new life begins, the size of the flash can be used to determine the quality of the fertilised egg.

Researchers from Northwestern University, in Chicago, noticed that […]

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