Why Are There Righties & Lefties?
Published June 11, 2013
This video has 1.43M views and 18.5K likes, ranking #2,509,513 globally among tracked YouTube videos by view count.
At a glance
Views
1,432,643
Likes
18,551
Comments
4,337
Performance vs. channel
Outlier score
Engagement rate
More features coming
We're working on new analytics and tools. Stay tuned.
About
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. Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold…
- Published
- June 11, 2013
- Made for kids
- No
More features coming
We're working on new analytics and tools. Stay tuned.
Frequently asked questions
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View, like, and comment counts come from YouTube's public API and refresh regularly. Growth and revenue figures are estimates built from tracked historical data, so they can differ slightly from what the creator sees privately in YouTube Studio.
What is the outlier score?
How this video's views compare to the channel's usual Shorts or long-form video. A 2x score means double the usual views for that channel, 0.5x means half.
What is engagement rate and how is it calculated?
Likes and comments per view, compared to this channel's typical engagement rate — shown as above or below what's usual for the channel.
How is the revenue estimate calculated?
It's a rough public estimate based on a $0.7–$2.0 CPM (revenue per 1,000 views) applied to view count — not actual creator earnings, which depend on ad rates, audience geography, and monetization settings YouTube doesn't expose publicly.
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