Twin testosterone transfer hypothesis and the second‐to‐fourth digit ratio in females of same‐sex and opposite‐sex twin pairs: An exploratory study by Moses Banyeh, Martha Nyewie, Abdul‐Rafik Abdulai, Charles Nkansah, Gabriel Abbam, Thea Kangkpi, Kervin Edinam Zogli, Shafiat Omotoyosi Shittu, David Bure, Romarick Kofi Wemegah, Mikail Ihsan Azindow, Suleman Yakubu, Musah Seidu, Mohammed Madde Baba, Elisha Essoun, Nancy Owireduwaa, Augusta S. Kolekang

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Prevalence of taurodontism: meta-analysis in recent humans and evolutionary perspectives by Pierre-Hadrien Decaup, Christine Couture, Mathieu Colin, Elsa Garot

“…The aim of the present study is to assess the prevalence of taurodontism in recent populations by means of meta-analysis, that is, is the prevalence of taurodontism lower or higher in modern human living populations, where the selective advantages of high attrition diet are still expected? …”
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Editorial: Glycobiology and glycosylation: deciphering the secrets of glycans in humans and pathogens by Parham Jabbarzadeh Kaboli, Charalampos Proestos

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Humans rationally balance detailed and temporally abstract world models by Ari E. Kahn, Nathaniel D. Daw

“…One prominent approach, the Successor Representation (SR), takes advantage of temporal abstraction of future states: by aggregating trajectory predictions over multiple timesteps, the brain can avoid the costs of iterative, multi-step mental simulation. Human behavior broadly shows signatures of such temporal abstraction, but finer-grained characterization of individuals’ strategies and their dynamic adjustment remains an open question. …”
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Neurological and Neurobehavioral Disorders Associated with Toxoplasma gondii Infection in Humans by Maxwell A. Virus, Evie G. Ehrhorn, LeeAnna M. Lui, Paul H. Davis

“…However, infection as a cause of human neurobehavioral disease has yet to be firmly established.…”
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Local and Systemic Antibody Responses in Humans with Helicobacter pylori Infection by Thomas G Blanchard, John G Nedrud, Steven J Czinn

“…The goal of the present study was to compare the local and systemic antibody responses of humans with chronic Helicobacter pylori infection with those of an individual with spontaneous resolution of infection to find an immunological correlate of protection. …”
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Auditory function in humans at high altitude. A scoping review. by Michela Masè, Andrea Viziano, Giacomo Strapazzon, Marco Alessandrini, Alessandro Micarelli

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Herbaspirillum Infection in Humans: A Case Report and Review of Literature by Rashmi Dhital, Anish Paudel, Nidrit Bohra, Ann K. Shin

“…More recently, some Herbaspirillium species have transitioned from environment to human hosts, mostly as opportunistic (pathogenic) bacteria. …”
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To what extent are call combinations in chimpanzees comparable to syntax in humans? by Maël Leroux

“…Syntax is considered a key feature distinguishing human language from other non-human animal communication systems. …”
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Microbiome and Colorectal Cancer in Humans: A Review of Recent Studies by Hiroyuki Takamaru, Cynthia Tsay, Satoshi Shiba, Shinichi Yachida, Yutaka Saito

“…The gut microbiota, a collection of microorganisms in the human gastrointestinal tract, is one of the microenvironments associated with colon carcinogenesis. …”
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A review of the effects of pharmaceutical pollutants on humans and aquatic ecosystem by Jaya Vinny Eapen, Sweety Thomas, Shelmi Antony, Paul George, Jayesh Antony

“…The presence of high-quality water is essential not only for human survival but also for the well-being of plants and animals. …”
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Presence of microplastics contamination in table salt and estimated exposure in humans by D.A. Syamsu, D. Deswati, S. Syafrizayanti, A. Putra, Y. Suteja

“…Microplastics contamination can even be found in consumed salt, thus raising concerns about its impact on human health. However, information on the presence of microplastics in salt is still very limited. …”
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SARS-CоV-2 spread in humans and animals by T. P. Akimiva, V. P. Semakina, M. N. Mitrofanova, M. V. Zhiltsova, E. S. Vystavkina, D. G. Isakova, D. B. Andreychuk, A. K. Karaulov, I. A. Chvala, A. E. Metlin

“…Coronaviruses are a large family of viruses and they are wide spread in animals and humans. They can cause respiratory tract illnesses of various severity. …”
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Peripheral signaling pathways contributing to non-histaminergic itch in humans by Andrea Fiebig, Victoria Leibl, David Oostendorf, Saskia Lukaschek, Jens Frömbgen, Maral Masoudi, Andreas E. Kremer, Marion Strupf, Peter Reeh, Miriam Düll, Barbara Namer

“…Abstract Background Chronic itch (chronic pruritus) is a major therapeutic challenge that remains poorly understood despite the extensive recent analysis of human pruriceptors. It is unclear how the peripheral nervous system differentiates the signaling of non-histaminergic itch and pain. …”
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The role of the KIBRA and APOE genes in developing spatial abilities in humans by A. V. Kazantseva, R. F. Enikeeva, Yu. D. Davydova, R. N. Mustafin, Z. R. Takhirova, S. B. Malykh, M. M. Lobaskova, T. N. Tikhomirova, E. K. Khusnutdinova

“…The data obtained confirm the effect of the KIBRA rs17070145 Т-allele on improved cognitive functioning and for the first time evidence the association of the mentioned genetic variant with spatial abilities in humans. A “protective” effect of the APOE ε2 allele on enhanced cognitive functioning is observed only under certain conditions related to childhood rearing.…”
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Age-Related Modifications in Circulating IL-15 Levels in Humans by Sebastiano Gangemi, Giorgio Basile, Daniela Monti, Rosaria Alba Merendino, Giuseppe Di Pasquale, Ursula Bisignano, Vittorio Nicita-Mauro, Claudio Franceschi

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Neurotoxicological Effects of Some Mycotoxins on Humans Health and Methods of Neuroprotection by Aleksandra Kuć-Szymanek, Daria Kubik-Machura, Klaudia Kościelecka, Tomasz Męcik-Kronenberg, Lidia Radko

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On the state of nature and social life: thinking about humans and chimpanzees by Eliane Sebeika Rapchan

“…The anatomical similarity observed in chimpanzees and humans has been recognized since Linnaeus. The debates on the attribution of the human condition to non-Western people date back to the 15th century. …”
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Defensive response to humans in farm-bred sables (Martes zibellina) by E. G. Sergeev

“…Identification of other components that can influence the formation of sable behavior of sables in relation to a human is of obvious interest. The objectives of our work were: (1) variation of behavior type in pups with age and (2) correlation of behavior with pup sex and coloration, litter size, and origin of parents. …”
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Epidemiology of Trypanosomiasis in Wildlife—Implications for Humans at the Wildlife Interface in Africa by Keneth Iceland, Kasozi, Zirintunda, Gerald, Ssempijja, Fred, Buyinza, Bridget, Alzahrani, Khalid J., Matama, Kevin, Nakimbugwe, Helen N., Alkazmi, Luay, Onanyang, David, Bogere, Paul, Ochieng, Juma John, Islam, Saher, Matovu, Wycliff, Nalumenya, David Paul, Batiha, Gaber El-Saber, Osuwat, Lawrence Obado, Abdelhamid, Mahmoud, Shen, Tianren, Omadang, Leonard, Welburn, Susan Christina

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