Why don't humans eat each other? A new study in #PNAS shows that #cannibalism is an evolutionary dead end. A mathematical model by M. #Misiak & P. #Tureček demonstrates that its long-term practice triggers deadly epidemics and inevitable demographic collapse. www.pnas.org/doi/full/10.... #PTNCE

Can babies tell good from evil? With 1000+ babies, we tried replicating classic moral psychology finding that infants prefer helpful characters. But... babies chose randomly between helper/hinderer puppets:/ Props to KelseyLucca, Francis Yuen & @jkileyhamlin.bsky.social for leading the project!

ManyBabies@manybabies.org · 2y ago

🚨Publication Alert!🚨 The ManyBabies4 paper is out! 37 labs around the world tested over 1,000 babies in the largest investigation of infants' social evaluation to date. doi.org/10.1111/desc...