Red Penguin@lemmy.world to Memes@lemmy.mlEnglish · 1 year agoi mean...lemmy.worldimagemessage-square12fedilinkarrow-up1173arrow-down14
arrow-up1169arrow-down1imagei mean...lemmy.worldRed Penguin@lemmy.world to Memes@lemmy.mlEnglish · 1 year agomessage-square12fedilink
minus-squareNothing@feddit.delinkfedilinkEnglisharrow-up1·1 year agoBut why can humans only do this for such a short time? Is it because we only walk upright? What is the scientific explanation?
But why can humans only do this for such a short time? Is it because we only walk upright? What is the scientific explanation?