The article presents a cross-cultural analysis linking the size of a country’s cosmetics market to paternal investment in childcare and to economic inequality. Using a revised sexual selection framework, it suggests that when men contribute more to parenting and when inequality is higher, women may invest in appearance to attract high-investment partners. The study finds that per hour increases in paternal investment relative to maternal investment correspond to about a $2.17 rise in per-capita cosmetics spending.

This work is of interest to psychology because it connects parental effort, mate choice, and social context to consumer behavior, highlighting how cultural and economic factors shape psychological strategies around attractiveness and partnership.

Article Title: New research connects the size of the beauty market to male parenting effort

Link to PsyPost Article: ift dot tt/9RlsUEG

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#psychology #evolutionarypsychology #matechoice #paternalinvestment #cosmeticsindustry

Unravelling mate choice mysteries: Using water striders, Malik et al. show how analyzing multiple traits across mating stages reveals which sex truly controls copulation.

Read here!
https://www.journals.uchicago.edu/doi/10.1086/737900

#WaterStriders #MateChoice #EEB

Where Did Yellowstone’s Black Wolves Come From?

"Black wolves are either absent or very rare in most parts of their range, but are mysteriously common in some parts of North America"

#SciComm by @grrlscientist

#wolf #color #genetics #CanineDistemperVirus #MateChoice #Evolution #Behavior #Yellowstone https://grrlscientist.medium.com/where-did-yellowstones-black-wolves-come-from-a21008634f54

Where Did Yellowstone’s Black Wolves Come From?

"Black wolves are either absent or very rare in most parts of their range, but are mysteriously common in some parts of North America"

#SciComm by @GrrlScientist

#wolf #color #genetics #CanineDistemperVirus #MateChoice #Evolution #Behavior #Yellowstone https://grrlscientist.medium.com/where-did-yellowstones-black-wolves-come-from-a21008634f54

Where Did Yellowstone’s Black Wolves Come From?

"Black wolves are either absent or very rare in most parts of their range, but are mysteriously common in some parts of North America"

#SciComm by @GrrlScientist

#wolf #color #genetics #CanineDistemperVirus #MateChoice #Evolution #Behavior #Yellowstone https://grrlscientist.medium.com/where-did-yellowstones-black-wolves-come-from-a21008634f54

Where Did Yellowstone’s Black Wolves Come From?

"Black wolves are either absent or very rare in most parts of their range, but are mysteriously common in some parts of North America"

#SciComm by @grrlscientist

#wolf #color #genetics #CanineDistemperVirus #MateChoice #Evolution #Behavior #Yellowstone https://grrlscientist.medium.com/where-did-yellowstones-black-wolves-come-from-a21008634f54

Mitchell et al. reveal the first evidence of chemical mate choice copying in Drosophila. Females exposed to pheromone cues from mated flies prefer males chosen by others, showing that social learning in flies extends beyond visual cues.
Read now ahead of print!
https://www.journals.uchicago.edu/doi/10.1086/736329

#drosophila #pheremone #mate #flies #socialLearning #mateChoice

"Recent Paradigms of Human Mate Selection: A Brain–Behavior Perspective"

Link: https://mdpi.com/2673-9976/42/1/3

#humanbehaviour #mateselection #matechoice #confusion #humanmatechoice #humanmateselection #partnerselection #partnerchoice

Birds in love produce more babies, study shows

“A study finds that birds who freely choose their own mates have 37% more offspring than those which were paired up by researchers in a sort of avian ‘arranged marriage’”

by @GrrlScientist via #Substack

#birds #ornithology #MateChoice #love #behavior #evolution #SciComm https://grrlscientist.substack.com/p/birds-in-love-produce-more-babies

Birds in love produce more babies, study shows

“A study finds that birds who freely choose their own mates have 37% more offspring than those which were paired up by researchers in a sort of avian ‘arranged marriage’”

by @GrrlScientist via #Substack

#birds #ornithology #MateChoice #love #behavior #evolution #SciComm https://grrlscientist.substack.com/p/birds-in-love-produce-more-babies