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Recent studies have revealed unexpected Y chromosome diversity and suggest that the Y may play an outsized role in evolution. @_Axeman_and I wrote this perspective for @EvolLetterswith a few suggestions and requests. academic.oup.com/evlett/advance… Images by jacelyn

Why is an old male reproductively doomed to fail? Is it poor sperm and seminal fluid, or do females not like him and his ejaculate? doi.org/10.1093/evlett… Now in Evolution Letters by @Krish_Sangvi, Sam Gascoigne, Dr Tara-Lyn Camilleri, İrem Sepil, et al. Image: Krish Sangvi & Martin Jahn

What does infrared thermography tell us about the evolutionary potential of heat tolerance in endotherms? doi.org/10.1093/evlett… Now in Evolution Letters by Otto Monge, Samuel P Caro, and Anne Charmantier

My first paper from my post-doc at CEFE is a comment on the use of infra-red thermography to study evolutionary aspects of heat tolerance in endotherms.

The maintenance of genetic polymorphism underlying sexually antagonistic traits doi.org/10.1093/evlett… Now in Evolution Letters by Ewan Flintham et al.

Hiding in plain sight: the Y chromosome and its reinvigorated role in evolutionary processes doi.org/10.1093/evlett… Now in Evolution Letters by Wouter van der Bijl and Judith Mank. 📷: jacelyn

Does the ratio of males to females predictably influence the ability to monopolise mating partners? Is male sexual selection more intense when femaleIs are rare? 🪰♂️♀️ We investigated by manipulating sex ratios in fruit flies in our new #OA manuscript published in Evolution Letters

Co-regulation of cooperative and private traits by PsdR in Pseudomonas aeruginosa doi.org/10.1093/evlett… Now in Evolution Letters by Huifang Qiu, Ajai A Dandekar, and Weijun Dai.

A development-centric perspective on pace-of-life syndromes doi.org/10.1093/evlett… Now in Evolution Letters by Isabel M Smallegange and Anja Guenther.

Rethinking the relationship between the sex ratio and sexual selection doi.org/10.1093/evlett… Now in Evolution Letters by Grant C. McDonald, fruit flies like a banana 🍌, Juliano Morimoto 🇧🇷, and Jen Perry 📷: Dani Edmunds

Enemy dispersal drives the diversity loss of bacterial victim populations at diversity cold spots doi.org/10.1093/evlett… Now in Evolution Letters by Xiao-Lin Chu

Do the “big four” orders of insects comprise evolutionarily significant higher taxa with coherent patterns of selection on protein-coding genes? doi.org/10.1093/evlett… Now in Evolution Letters by Pierre J Février and Timothy G Barraclough