reproductive biology
Q&A: Zika Damages Mouse Testes, Reduces Fertility
Q&A: Zika Damages Mouse Testes, Reduces Fertility
Ben Andrew Henry | Oct 31, 2016
Michael Diamond of the Washington University School of Medicine in St. Louis and colleagues tracked the virus in the male mouse reproductive tract over several weeks.
Why Female Orgasm Evolved
Why Female Orgasm Evolved
Jef Akst | Aug 4, 2016
The phenomenon may have arisen to trigger hormonal surges and drive ovulation, scientists propose.
Guppie Porn
Guppie Porn
The Scientist Staff | Jul 31, 2016
Biologist Carin Bondar delivers a TED talk about the wilder side of sex.
Embryo Watch
Embryo Watch
Jef Akst | May 5, 2016
A new culture system allows researchers to track the development of human embryos in vitro for nearly two weeks.
Meiotic Mysteries
Meiotic Mysteries
Karen Schindler | May 1, 2016
Understanding why so many human oocytes contain the wrong number of chromosomes
A Scrambled Mess
A Scrambled Mess
Karen Schindler | May 1, 2016
Why do so many human eggs have the wrong number of chromosomes?
Obesogens
Obesogens
Kerry Grens | Nov 1, 2015
Low doses of environmental chemicals can make animals gain weight. Whether they do the same to humans is a thorny issue.
Fat Factors
Fat Factors
Kerry Grens | Nov 1, 2015
A mouse's exposure to certain environmental chemicals can lead the animal—and its offspring and grandoffspring—to be overweight.
Fertility Treatment Fallout
Fertility Treatment Fallout
Jyoti Madhusoodanan | Jan 1, 2015
Mouse offspring conceived by in vitro fertilization are metabolically different from naturally conceived mice.
Focus on Sex
Focus on Sex
Molly Sharlach | Dec 29, 2014
In 2014, new research findings and guidelines brought increased attention to biological differences between males and females.