united therapeutics corporation logoThe U.S. Food and Drug Administration (FDA) has approved the second-ever genetically modified subtype of pig for human consumption. But there are no plans to raise this pig for meat or other foodstuffs—the use case is actually much, much cooler.

Get unlimited access to the weird world of Pop Mech. LET'S GET WEIRD. By adjusting the pig’s genes so it doesn’t produce a particular sugar called galactose-alpha-1,3-galactose (alpha-gal), scientists can make medicines that are safe for a group of people who suffer from a peculiar, little-understood allergy. And while this certification isn’t planned for meat, that could be next.

Image: TIM MACPHERSON