3 ms·
Although actually your statement and mine aren't incompatible. Anyway, it's quite a fascinating area of study, including biomechanics, anthropology, metabolism
by austinjp 11y ago
Although actually your statement and mine aren't incompatible.
Anyway, it's quite a fascinating area of study, including biomechanics, anthropology, metabolism, and more: https://en.m.wikipedia.org/wiki/Obstetrical_dilemma https://en.m.wikipedia.org/wiki/Obstetrical_dilemma