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Why Do We Have Eyebrows and Other Types of Facial Hair?
We humans seem to have an on-again, off-again relationship with facial hair. Prehistoric cave drawings reveal the myriad tools our ancient ancestors used to shave: shark’s teeth, sharpened flints and even clam shells. Nowadays, beards are back in style and people are taking a razor to their brows, instead. But is there a reason we evolved to have these hairy baubles in the first place? And, if so, what evolutionary advantage might we be throwing away for the sake of staying on trend? Turns out, researchers have a lot to say on the matter. Get their answers to why we have eyebrows, what eyelashes are for and why we grow beards. ...
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Special Episode II: APS 2023 Spence Awardees on Sharing Minds, the Development of Learning, and Implicit Bias
Julian Jara-Ettinger, Emily Fyfe, and Calvin Lai discuss reading and sharing minds, the development of learning and its practical applications, and the importance of studying the gap between what people value and what people do.
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Special Episode I: APS 2023 Spence Awardees on Fresh Starts, Time Perception, and the Well-being of Black Families
Riana Elyse Anderson, Ed O’Brien, and Hengchen Dai discuss how to study and improve the well-being and functioning of Black families, the importance of time in how people perceive progress, and how fresh starts can feel motivating.
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Diversity Training: One Size Does Not Fit All
Diversity trainings as currently practiced are unlikely to change police behavior, suggests an analysis of a day-long training session designed to increase U.S. police officers’ knowledge of bias and use of evidence-based strategies to mitigate bias.
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New Content From Perspectives on Psychological Science
A sample of articles on climate change and substance-use behaviors, using reality checks to assess heterogeneity, using an ethics and social-justice approach to collecting and using demographic data, and much more.
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The Self-Taught Vocabulary of Homesigning Deaf Children Supports Universal Constraints on Language
Researchers compared how young homesigners—deaf children without access to an established sign language—and English-, Spanish-, and Chinese-speaking adults describe the use of tools such as paintbrushes and knives.
