Free Republic

A stunning explosion of zinc fireworks occurs when a human egg is activated by a sperm enzyme, and the size of these "sparks" is a direct measure of the quality of the egg and its ability to develop into an embryo, according to new research from Northwestern Medicine. The discovery has potential to help doctors choose the best eggs to transfer during in vitro fertilization (IVF), the scientists said. This is the first time the zinc sparks have been documented in a human egg. "This means if you can look at the zinc spark at the time of fertilization, you...

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. 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...

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.

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.