https://hotair.com/headlines/archives/2012/12/20/confirmed-human-hands-evolved-so-we-could-punch-each-other/feed/HotAir is the leading conservative blog for breaking news and commentary covering the Biden administration, politics, media, culture, and current elections.en-usTue, 09 Jun 2026 22:38:27 -0400<![CDATA[About the same time as we stopped hanging from trees and started walking upright, our hands become short and square, with opposable thumbs. These anatomical changes are thought to have evolved for tool manipulation, but David Carrier at the University of Utah in Salt Lake City has an alternative explanation.]]>Thu, 20 Dec 2012 18:00:39 -0500<![CDATA[Erika Johnsen]]>https://hotair.com/headlines/2012/12/20/confirmed-human-hands-evolved-so-we-could-punch-each-other-n98444