gestation
Zoo Pregnancy Raises Hopes of Preserving White Rhinos
Zoo Pregnancy Raises Hopes of Preserving White Rhinos
Ashley Yeager | May 18, 2018
Victoria, a southern white rhino at the San Diego Zoo, was impregnated by artificial insemination on March 22 and, if all goes well, will birth the calf in summer 2019.
Image of the Day: Heart Shapes
Image of the Day: Heart Shapes
The Scientist Staff | Sep 29, 2017
High-resolution MRI reveals that human fetal hearts rapidly develop their major structures within a four-day period.
Hormone Hangover
Hormone Hangover
Jyoti Madhusoodanan | Feb 1, 2016
Medication to prevent prematurity in humans harms cognitive flexibility in rats.
Q&A: Placental Ponderings
Q&A: Placental Ponderings
Christopher Coe | Aug 27, 2015
Biologist Christopher Coe answers readers’ questions about the prescient organ.