Hominid Evolution Fun Facts- Dr. Alexandra Kralick (@BioAnthFunFacts) header
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(Hominid= humans + our ancestors & great apes) Dr. Alexandra Kralick here 👋 Postdoc at Harvard sharing fun biological anthropology facts I find! 🦧🦍🐒🧬🦴🦷🦠

University of Pennsylvania
Joined December 2017
Photo by Hominid Evolution Fun Facts- Dr. Alexandra Kralick (@BioAnthFunFacts)Photo by Hominid Evolution Fun Facts- Dr. Alexandra Kralick (@BioAnthFunFacts)Photo by Hominid Evolution Fun Facts- Dr. Alexandra Kralick (@BioAnthFunFacts)Photo by Hominid Evolution Fun Facts- Dr. Alexandra Kralick (@BioAnthFunFacts)Photo by Hominid Evolution Fun Facts- Dr. Alexandra Kralick (@BioAnthFunFacts)Photo by Hominid Evolution Fun Facts- Dr. Alexandra Kralick (@BioAnthFunFacts)Photo by Hominid Evolution Fun Facts- Dr. Alexandra Kralick (@BioAnthFunFacts)Photo by Hominid Evolution Fun Facts- Dr. Alexandra Kralick (@BioAnthFunFacts)Photo by Hominid Evolution Fun Facts- Dr. Alexandra Kralick (@BioAnthFunFacts)Photo by Hominid Evolution Fun Facts- Dr. Alexandra Kralick (@BioAnthFunFacts)
Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
Are you passionate about feminist science? Come work with us at the GenderSci Lab!! We are recruiting for a 2-3 year lab manager position starting between April through June 2024. Full description and application information here: genderscilab.org/blog/the-ge…
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
Just out in GLQ from @DukePress, we review the state of modern genetic studies of sexuality, describe the techniques and technologies used, and highlight areas of concern. read.dukeupress.edu/glq/arti…
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
In our new publication in @socscimed, we propose a Gender Hypothesis to explain apparent sex differences in adverse drug events (ADEs), using data from the Federal Adverse Events Reporting System (FAERS).🧚🪄🧚‍♂️ doi.org/10.1016/j.socscimed.…
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
The American Association of Biological Anthropologists affirms our support of trans lives. Please see the full text of our statement on our website: bioanth.org/about/position-s…
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
Between 1914-1988, the most common name for an orangutan in a US or European zoo was "Jiggs", with at least 11 individuals named this between 1927-1966! More orang zoo history to come from @LangurLover and @BioAnthFunFacts
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
1. Zoe is an Orangutan who lives at a VA zoo. She was orphaned when she was 9 months old so she never had the chance to learn how to be a mom or breastfeed So when Zoe gave birth to a boy, a zookeeper brought in her own son and breastfed him in front of Zoe so she could learn.
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
"Adult unflanged males break down our gendered expectations of who is “normal” and how male bodies evolve. A diversity of body shapes, sizes, and desires exist, and our evolutionary narratives are capable of reflecting that if we let them." click.email.americananthro.o…
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
Did you know… gorillas share about 98% of their DNA with humans! #extendedfamily #gorillas #nature 📸: J.P. Samedi Mucyo
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
The most complete of the Homo erectus fossil skulls from Indonesia is Sangiran 17. The fossil represents an individual who lived sometime between 900,000 and 790,000 years ago. Photo: Jim Hickcox
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
The difference in brain size between two samples of the same mountain gorilla population taken 30 years apart is more than the difference separating any two species of early hominins. Source: McFarlin et al. 2013 doi.org/10.1002/ajp.22100
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
“No longer can we assume that an individual ape’s social landscape is entirely occupied by members of their own species” -@JakeFunkhouser Exciting new research out of Nouabalé-Ndoki National Park in the northern Republic of Congo! source.wustl.edu/2022/09/stu… – at St Louis, MO
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
Body size and canine size do not confer a competitive advantage in male rhesus macaques Article in #AnimalBehavior (@AnimBehSociety) by @clare_kimock @ljnbrent Constance Dubuc & @nyuprimatology: tinyurl.com/4ucyrs4b #Primates #Primatology
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
Binary approaches to the study of sex are anything but precise and are often inaccurate, misleading, and exclusionary. As we write in the article, “A one-size-fits-all approach to sex [comes] at the expense of the rigor and precision at which precision medicine aims.” (3/5)
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
So pleased that this paper is now published! doi.org/10.1098/rstb.2021.01… Hungry red-tailed monkey groups win intergroup conflicts by pushing satiated groups out of food trees #monkeyfights @RoamingRonnie
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
Chimpanzees possess a representation of the typical chimpanzee body, as they gaze longer at images of chimpanzees whose limbs have been altered than at images of normal chimpanzees. link.springer.com/article/10…
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
Scent marking in wild red-fronted lemurs seems to be associated with some behavioural flexibility linked to the composition of the audience (i.e. proportion and social value of the individuals present) Read more: nature.com/articles/s41598-0… @SciReports #animalbehavior #lemurs
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
Male chimpanzees of the Sonso community in the Budongo Forest, Uganda, intentionally produce a context-specific vocalization, the "rest hoo", when deciding to prolong resting. These intentional calls may help promote social cohesion. link.springer.com/article/10…
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
"Application of insects to wounds of self and others by chimpanzees in the wild" "Here, we report the first observations of chimpanzees applying insects to their own wounds (n = 19) and to the wounds of conspecifics" cell.com/current-biology/ful…
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Hominid Evolution Fun Facts- Dr. Alexandra Kralick retweeted
A blonde male on Cayo Santiago, with mainland PR in the background. Blonde hair color is thought to be a recessive autosomal trait. 0.5% of Cayo rhesus are blonde compared to 0.01% in the wild, a founder effect caused by deliberate selections during the original wild trapping.
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