Which sperm will win the race to the egg: the green one or the red one?

Once they’re inside the female reproductive organs, sperm pull out all the stops to outrace their rivals to the egg–especially if the opponent comes from another male. The process that determines which sperm wins, called “postcopulatory sexual selection,” has been difficult to tease out, until now. [More]

Substack subscription form sign up
The material in this press release comes from the originating research organization. Content may be edited for style and length. Want more? Sign up for our daily email.