Go ahead, marry your cousin—it’s not that bad for your future kids https://t.co/S38Q4r4uxj pic.twitter.com/JqxJfwnlZj
— Popular Science (@PopSci) April 13, 2021
Got a news tip or correction? Let us know
If you got something out of this, please chip in to keep this site running, or subscribe to go ad-free.
4 views