Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Why are some people left-handed? - Daniel M. Abrams. That video is uploaded by TED-Ed at 2015-02-03T08:20:34-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [TGLYcYCm2FM]
| Name | Why are some people left-handed? - Daniel M. Abrams |
| Video Uploader | Video From TED-Ed |
| Upload Date | This Video Uploaded At 03-02-2015 16:20:34 |
| Video Discription | View full lesson: http://ed.ted.com/lessons/why-are-some-people-left-handed-daniel-m-abrams Today, about one-tenth of the world’s population are southpaws. Why are such a small proportion of people left-handed -- and why does the trait exist in the first place? Daniel M. Abrams investigates how the uneven ratio of lefties and righties gives insight into a balance between competitive and cooperative pressures on human evolution. Lesson by Daniel M. Abrams, animation by TED-Ed. TGLYcYCm2FM |
| Category | Education |
| Tags | TED | TED-Ed | TEDx | Left-hand | Left-handed | Proper hand | Right-hand | Right-handed | Identical twins | Handedness | Parents | Genetics | Competitive pressures | Cooperative pressures | Sports | Fighting hypothesis | Negative frequency-dependent selection | Evolution | Evolutionary advantage | Baseball | Switch hitter | Golf | Right-handed world | Equilibrium |
