Male Flies’ Y Chromosome May Contribute to Earlier Deaths
Male Flies’ Y Chromosome May Contribute to Earlier Deaths
As male Drosophila grow old, selfish genetic elements that are abundant on the Y chromosome become more active, which appears to reduce longevity.
Male Flies’ Y Chromosome May Contribute to Earlier Deaths
Male Flies’ Y Chromosome May Contribute to Earlier Deaths

As male Drosophila grow old, selfish genetic elements that are abundant on the Y chromosome become more active, which appears to reduce longevity.

As male Drosophila grow old, selfish genetic elements that are abundant on the Y chromosome become more active, which appears to reduce longevity.

sex differences
Females Gain Ground as Biomedical Research Subjects
Females Gain Ground as Biomedical Research Subjects
Shawna Williams | Jun 9, 2020
A study finds improvement in the proportion of scientific projects that include both sexes, but analyzing results by sex is not routine.
Why Some COVID-19 Cases Are Worse than Others
Why Some COVID-19 Cases Are Worse than Others
Katarina Zimmer | Feb 24, 2020
Emerging data as well as knowledge from the SARS and MERS coronavirus outbreaks yield some clues as to why SARS-CoV-2 affects some people worse than others.
Why Is Cancer More Common in Men Than in Women?
Why Is Cancer More Common in Men Than in Women?
Jef Akst | Mar 31, 2019
The molecular processes that lead males to be more susceptible to the disease are only beginning to come to light.
Men React to Repeated Painful Experiences Differently than Women Do
Men React to Repeated Painful Experiences Differently than Women Do
Diana Kwon | Jan 14, 2019
Men’s pain tolerance decreases when exposed to a setting where they’ve previously had a painful experience.
A Retracted Paper on Sex Differences Ignites Debate
A Retracted Paper on Sex Differences Ignites Debate
Anna Azvolinsky | Sep 27, 2018
Controversy surrounding a mathematical model to explain the so-called “greater variability of males” hypothesis fells two versions of a paper—but critics of the work wish it were still published.
Are the Brains of Transgender People Different from Those of Cisgender People?
Are the Brains of Transgender People Different from Those of Cisgender People?
Shawna Williams | Feb 28, 2018
Research into the biological basis of gender identity is in its infancy, but clues are beginning to emerge.
Sex Differences in Opioid Analgesia: A Complicated Picture
Sex Differences in Opioid Analgesia: A Complicated Picture
Catherine Offord | Dec 31, 2017
Researchers are beginning to tease apart the mechanisms underlying differences in how males and females respond to powerful painkillers.
Sex Differences in Human Gene Expression
Sex Differences in Human Gene Expression
Jef Akst | May 4, 2017
Researchers uncover thousands of genes whose activity varies between men and women.
How Much Do Sex Differences Matter in Mouse Studies?
How Much Do Sex Differences Matter in Mouse Studies?
Joshua A. Krisch | Feb 23, 2017
Examining both male and female model organisms is worth the extra effort and added costs, most experts maintain, but whether the results translate to human studies is less clear.