Richard Bribiescas
@rbribiescas.bsky.social
Evolutionary Anthro professor @ Yale, PRS guitar addict, human evolutionary biology, hormones, reproduction, aging, author “How Men Age”
Nice Proc B article on climate change and weight gain in owl monkeys by Yale bioanthro PhD student Jonathan Pertile. 👍 @jonathanpertile.bsky.social news.yale.edu/2026/05/20/w...
Warmer temps, heavier owl monkeys: Climate linked to weight gain in primates
A Yale-led study finds that Azara’s owl monkeys have gotten heavier as temperatures rise — a result that defies long-standing expectations about how animals adapt to warm climates.
news.yale.edu
Congratulations YREL and Yale Anthropology PhD alum Dr. Dorsa Amir on her 2026 APS Spence Award by the Association for Psychological Science @dorsaamir.bsky.social bsky.app/profile/psyc...
Association for Psychological Science@psychscience.bsky.social · 4mo agoMeet @dorsaamir.bsky.social, director of the Mind & Culture Lab at Duke University & 2026 APS Spence Award recipient! #Psychology Learn about her research, her career, & her advice for the upcoming generation of psychological scientists: www.psychologicalscience.org/publications...
Navigating Practical, Political, and Ethical Challenges of Long‐Term Human Biology Field Research: The Shuar Health and Life History Project - Snodgrass - 2026 - American Journal of Human Biology - Wiley Online Library onlinelibrary.wiley.com/doi/full/10....
Navigating Practical, Political, and Ethical Challenges of Long‐Term Human Biology Field Research: The Shuar Health and Life History Project
Major advances in understanding human biology and health have been made possible by long-term field research projects with Indigenous peoples, whose ecological settings and lifeways are distinct from...
onlinelibrary.wiley.com
Our new paper in PNAS. Gut microbes can recycle estrogens. Industrialized populations have greater microbial capacity for estrogen recycling than nonindustrialized populations. www.pnas.org/doi/10.1073/...
Industrialization increases the estrogen-recycling capacity of the gut microbiome | PNAS
Estrogens influence many aspects of human physiology and health, including fertility, growth, metabolic function, and susceptibility to disease. Up...
pnas.org
Read Industrialized populations show greater capacity for estrogen recycling by gut microbes on Kudos: www.growkudos.com/publications... @yalereproeco.bsky.social @grazynajasienska.bsky.social
Industrialized populations show greater capacity for estrogen recycling by gut microbes
The human gut microbiome includes bacteria that can influence how hormones are processed in the body. One important function is the recycling of estrogens: instead of being fully excreted, some estrog...
growkudos.com
Meet @dorsaamir.bsky.social, director of the Mind & Culture Lab at Duke University & 2026 APS Spence Award recipient! #Psychology Learn about her research, her career, & her advice for the upcoming generation of psychological scientists: www.psychologicalscience.org/publications...
Industrialization increases the estrogen-recycling capacity of the gut microbiome | PNAS www.pnas.org/doi/10.1073/...
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
pnas.org
Nurturing Bonds: A Qualitative Exploration of Breastfeeding and Responsive Feeding Practices in Samoan Mother‐Infants Dyads - Victoria - 2026 - American Journal of Human Biology - Wiley Online Library onlinelibrary.wiley.com/doi/full/10....
Nurturing Bonds: A Qualitative Exploration of Breastfeeding and Responsive Feeding Practices in Samoan Mother‐Infants Dyads
Introduction Little is known about whether perceptions in Samoa of human milk composition and quality play a role in the decline in exclusive breastfeeding with age, the introduction of solid foods,...
onlinelibrary.wiley.com
Reproductive Ecology and Evolutionary Anthropology: Foundations, Unanswered Questions, and Future Directions - Bribiescas - 2026 - American Journal of Human Biology - Wiley Online Library onlinelibrary.wiley.com/doi/full/10....
Reproductive Ecology and Evolutionary Anthropology: Foundations, Unanswered Questions, and Future Directions
The research field of reproductive ecology continues to be a major contributor to the scientific advancement of evolutionary anthropology and human biology in general. Primary contributions to human ...
onlinelibrary.wiley.com
Market Integration and Reproductive Transitions Among Indigenous Shuar and Neighboring Nonindigenous Ecuadorians in Amazonian Ecuador - Madimenos - 2026 - American Journal of Human Biology - Wiley Online Library onlinelibrary.wiley.com/doi/abs/10.1... @yalereproeco.bsky.social
Market Integration and Reproductive Transitions Among Indigenous Shuar and Neighboring Nonindigenous Ecuadorians in Amazonian Ecuador
Objective Global reproductive transitions are well documented, yet less is known about how neighboring populations with divergent histories and exposure to market integration (MI) experience them. T...
onlinelibrary.wiley.com
Reproductive and metabolic hormone associations in adult Samoan males with and without obesity url: academic.oup.com/emph/article... @yalereproeco.bsky.social
Reproductive and metabolic hormone associations in adult Samoan males with and without obesity
Implications Obesity has potentially negative effects on male reproductive hormone function in Samoa. While the effects on male fertility remain unclear, f
academic.oup.com
Salivary Testosterone, Age, and Adiposity Associations Among Shuar Males in Amazonian Ecuador Challenge Assumptions of “Normal” Testosterone Patterns - Gildner - 2025 - American Journal of Human Biology - Wiley Online Library onlinelibrary.wiley.com/doi/abs/10.1...
Salivary Testosterone, Age, and Adiposity Associations Among Shuar Males in Amazonian Ecuador Challenge Assumptions of “Normal” Testosterone Patterns
Objectives Adult male testosterone concentrations in high income countries often decrease with age and adiposity, a pattern typically viewed as “normal.” However, testosterone is expected to be adap.....
onlinelibrary.wiley.com
📚 Call for Nominations: HBA Book Award 📚 Know a book that’s made a major impact on human biology? Nominations are now open for the 2026 Human Biology Association Book Award! This award recognizes outstanding contributions to our field—advancing theory, methods, practice, or teaching.
I will be looking for a PhD student for a project on sleep quality and reproductive hormones in women. szkoladoktorska.cm-uj.krakow.pl/pl/how-to-ap... Join our great team in Krakow. evoecogroup.wordpress.com/grazyna-jasi...
Szkoła Doktorska Nauk Medycznych i Nauk o Zdrowiu
szkoladoktorska.cm-uj.krakow.pl
"For me, the answer now lies in refusal, the withdrawal of participation from systems that require dishonesty as the price of belonging." Today I am resigning from the National Science Board and the Library of Congress Scholars Council. I wrote about my decision in TIME. time.com/7285045/resi...
Why I’m Resigning from the NSF and Library of Congress
I cannot participate in systems that require dishonesty as the price of belonging.
time.com
One of grants frozen at Cornell: $6.7M (4 yrs) to develop heart pumps for babies born w/ heart defects. It took decades of work to get to point of prepping device for in-human clinical trials. No private company could do this. The cruelty of the Trump administration is heartbreaking. So to speak.
Research at risk: Life-saving heart pumps for babies | Cornell Chronicle
After receiving a stop-work order from the federal government, the future of a device to help children with heart defects is uncertain.
news.cornell.edu
"I do solemnly swear that I will faithfully execute the Office of President of the United States, and will to the best of my ability, preserve, protect and defend the Constitution of the United States."
📢 Folks. It’s not “underrepresented”, it is “historically excluded”. There is a big difference. One can just happen. The latter more accurately describes the active systemic efforts that keep some out of science and academia. 📢
Maybe we should honor the women who were real astronauts. From left to right are Shannon W. Lucid, Margaret Rhea Seddon, Kathryn D. Sullivan, Judith A. Resnik, Anna L. Fisher, and Sally K. Ride. NASA selected all six women as their first female astronaut candidates in January 1978.
Nice to see an old friend actually standing up to the insanity. Kudos to John and the MacArthur Foundation. www.theguardian.com/us-news/2025...
US philanthropists warn against capitulating to Trump: ‘We need to step up’
Foundation leaders say charitable organisations could be next in the firing line – but must ‘stand together’ to resist
theguardian.com
Ranking Member Lofgren Urges NSF to Ignore Inflammatory Cruz Report, Releases Democratic Staff Report in Rebuttal democrats-science.house.gov/news/press-r...
Ranking Member Lofgren Urges NSF to Ignore Inflammatory Cruz Report, Releases Democratic Staff Report in Rebuttal | House Committee on Science, Space and Technology
The House Committee on Science, Space and Technology
democrats-science.house.gov
University faculty are not powerless. Explore, identify, discuss and share opportunities for leverage.
Dr. Lynnette Sievert - a short video summary of her Yearbook pub, ""Evolutionary Perspectives, Comparative Approaches, and the Lived Experience of Menopause." youtu.be/dm3IDoDyWPw
Sievert 2024
YouTube video by Yearbook of Biological Anthropology
youtu.be
Thirty-eight of 43 experts cut last month from the boards that review the science and research that happens in laboratories at the National Institutes of Health are female, Black or Hispanic, according to an analysis by the chairs of a dozen of the boards.
Women, minorities fired in purge of NIH science review boards
Scientists, with expertise in fields that include mental health, cancer and infectious disease, typically serve five-year terms and were not given a reason for their dismissal.
washingtonpost.com
Harvard has set an example for other higher-ed institutions - rejecting an unlawful and ham-handed attempt to stifle academic freedom, while taking steps to make sure students can benefit from an environment of intellectual inquiry, rigorous debate and mutual respect. Let’s hope others follow suit.