This essay is an inquiry into the socio-cultural history of the use of forceps in 19th-century Mexico. It argues that the knowledge and practices that the use of such instruments implied were related ...

The discovery of new fossil materials from the ancient fish species Tiktaalik roseae has revealed a key link in the evolution of hind limbs. The newly described, well-preserved pelves and partial ...

Mother Nature has the answer: With the onset of puberty, the female pelvis expands; with the onset of menopause, it contracts again. In contrast, the male pelvis remains on the same developmental ...

Women have wider hips than men because their pelves must allow for the birth of large-brained babies. Nevertheless, many female pelves are still not wide enough, which can result in difficult births.

Women have wider hips than men because their pelves must allow for the birth of large-brained babies. Nevertheless, many female pelves are still not wide enough, which can result in difficult births.