That is the beginning of the title to an article about the beginning of life.
The entire title reads: Bright flash of light marks incredible moment life begins when sperm meets egg
Wow.
Now this is a game changer.
You probably saw or heard about this article recently. It was in the news on many web sites.
But, just in case you missed it,
HERE'S THE LINK to Bright flash of light marks incredible moment life begins when sperm meets egg