Why do we stand on two legs? | BBC Ideas

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Very few creatures in the animal kingdom stand on two legs. In many ways, it's not very efficient or stable. So why do humans stand upright - why do we stand on two legs, not four?

Made by Preston Street Films

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"Standing up is a major achievement". Thanks. I feel less worthless and hopeless now. If I could put so much effort into learning such a hard thing then I know I can do anything.

arpitkumar

I wanted to make a joke on standing but I guess I will leave that to the stand up comedians.

arpitkumar

I just love your videos man 😍
They're so informative
And i love so much each time 😎

jk_ilyu

01:16 Standing on two legs is a major achievement in human evolution.
01:54 Standing on two legs gave us better visibility and cognitive capacity.
02:32 Permanently standing on two legs is incredibly rare in the animal kingdom.
03:10 Standing on two legs has its physical price
03:48 Standing on two legs is significant in every culture.
04:26 Body language while standing reveals emotions and power dynamics.
05:01 Standing is not just a physical posture, but also a state of mind.

benva

Because this is the most efficent way.

CanberkSezer

I've heard on more than one channel here, that it's by only coincidence that we walk upright, but the thing is, that doesn't seem right to me, it seems like everything about us would be through natural selection to our benefit somehow

bobby.m

Why some still has hairs and some not anymore?

AudriusMikalajunas

I came here because I was questioning weather it’s better to be on two feet, or stand on two and run on four and have two thumbs. And no answer

lowkey