ScienceGlobal issuesWhy are there so few left-handed people?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGlobal issues05/06/2022May 6, 2022The viewer's question this week comes from Yessenia Quinones from Puerto Rico.https://p.dw.com/p/4AuSyAdvertisement