quote · Legacy record
Bipedalism is a demanding and risky strategy. It means refashioning the pelvis into a full load-bearing instrument. To preserve the required strength, the birth canal in the female must be comparatively narrow. This has two very significant immediate consequences and one longer-term one. First, it means a lot of pain for any birthing mother and greatly increased danger of fatality to mother and baby both. Moreover, to get the baby's head through such a tight space it must be born while it's brain is still small - and while the baby, therefore, is still helpless. This means long-term infant care, which in turn implies solid male-female bonding.
Bipedalism is a demanding and risky strategy. It means refashioning the pelvis into a full load-bearing instrument. To preserve the required strength, the birth canal in the female must be comparatively narrow. This has two very significant immediate consequences and one longer-term one. First, it means a lot of pain for any birthing mother and greatly increased danger of fatality to mother and baby both. Moreover, to get the baby's head through such a tight space it must be born while it's brain is still small - and while the baby, therefore, is still helpless. This means long-term infant care, which in turn implies solid male-female bonding.
Approximate author period: c. 1951 AD · modern
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- Author or tradition
- Bill Bryson
Attribution: attributed - Country attributed
- Not established
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- Approximate author period: c. 1951 AD · modern
Approximate author-period anchor from documented birth year 1951; activity date not established; Wikidata Q310155, https://www.wikidata.org/wiki/Q310155 (accessed 2026-10-08). Not a quotation composition date.
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Supplied reference C; CSV row 62093; supplied attribution, independently unverified
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