Why Are There Righties & Lefties?
By SciShowFrom boclips.com
109.8K views
8.3K likes
About 10% of the world population is left-handed. But why does handedness exist and what determines which hand is dominant? Scientists have suggested several theories, but the answer may well lie with evolution.
Tags
Explainer
Physical Sciences
General Science
Life Sciences
Biology
Advanced Secondary
Comments
Leave a Comment
Comments are loading... If you don't see any, be the first to comment!
Related Videos
How to Move the Sky
SciShow Space
Why It's Impossible To Win a Nuclear War
MinuteEarth
Why Is the Perfect Shower Temperature So Hard To Find?
SciShow
World's Most Asked Questions What Is Energy
SciShow
Our Expanding Universe | Compilation
SciShow Space
What is Energy?
PBS Space Time
Why Solar Eclipses Create Those Crescent-Shaped Lights
SciShow Space
Algebra 21 - Slope
Why U
The Missing Link That Wasn’t
PBS Eons
Exploring Antarctica: From Penguins to the Coldest Seas | SciShow Kids Compilation
SciShow Kids