Device that self-assembles in the uterus could limit wild horse births

To limit the spread of feral horses, researchers have invented a birth control delivery device that assembles with magnets inside the uterus and could help sterilise mares for years

Source:
https://www.newscientist.com/article/2266991-device-that-self-assembles-in-the-uterus-could-limit-wild-horse-births/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home