Hair on Our Faces | Dr. Barnaby Dixson
Species29 Loka 2023

Hair on Our Faces | Dr. Barnaby Dixson

Today, we explore the befuddling (and surprisingly complex) mystery of the human beard. Our guide is Dr. Barnaby Dixson, a human behavioral ecologist at the University of the Sunshine Coast who uses interdisciplinary methods to investigate human mate preferences across cultures. His extensive work has bettered our understanding of a wide variety of physical traits; most relevant to today's discussion, he is one of the primary contributors to our understanding of beards. We discuss the evolution of facial masculinity and facial hair, and their role in attractiveness and intimidation across various contexts. You can learn more about Dixson, here: https://www.usc.edu.au/staff/dr-barnaby-dixson

Relevant sources are mostly in Dixson’s past publications: https://scholar.google.com.au/citations?user=LE_ROqQAAAAJ&hl=en

But also, see: https://docs.google.com/document/d/1vbEZV65uWCcG3E3Qzk-DEuy2m3rodw07WIt3l6meMSo/edit?usp=sharing

Jaksot(242)

Sunfish

Sunfish

Why do sunfish sunbathe? Will a sunfish squash my child? Can I use a dead sunfish to pay my taxes? Is that a baby whale? Come learn about the egg-laying champion on this episode of Species. Bibliography: https://docs.google.com/document/d/1Z5YnjyOkKs_kpttWcgSJkHKWKvNW56E9GSZFIxdzoRo/edit?usp=sharing Addendum: Some Japanese biologists believe that a new species of Mola should be acknowledged, named Mola alexandrini (bump-head sunfish). They have noticeable genetic and phenotypic differences from other Mola mola, with whom they are usually grouped. If Mola alexandrini is indeed a different species to Mola mola, then the bump-head sunfish (not the ocean sunfish) holds the title of largest sunfish specimen ever found.

25 Helmi 201819min

Beaver

Beaver

Did silk hats save beavers from extinction? Which is longer, the Hoover Dam, or the biggest beaver dam ever? Are humans naturally monogamous? Learn all about the North American beaver on this episode of Species. Bibliography: https://docs.google.com/document/d/1uufPXkcVlmViyoOMwEQYXw5swayShvOeRh-b_TLL01E/edit?usp=sharing

18 Helmi 201832min

Flying Snake

Flying Snake

How do snakes slither? How do they climb trees? Heck, how do they "fly"?! Become an expert on the paradise flying snake, and learn all about the physics of snake movement (on the ground, up trees, and through the air!) on this episode of Species. Bibliography: https://docs.google.com/document/d/1knCP0V9El3I3CZuY1XmTuJgGAbbYtE9BOBtvpScvats/edit?usp=sharing

11 Helmi 201822min

Cowbird

Cowbird

Why do we call them "cowbirds," and why are they nicknamed "mafia birds"? Does the mafia still exist? Are cowbirds running an extortion racket in my backyard? Macken answers all on this episode of Species. Bibliography: https://docs.google.com/document/d/1YkTHau7VoFc5JrdXYl-kYuIwA1XlRATPBxL1djKyEKE/edit?usp=sharing

4 Helmi 201816min

Amazon Molly

Amazon Molly

The Amazon molly is an entirely female species of fish. So how do they reproduce? Why haven't they gone extinct, like biologists once predicted? Is the Greek legend of the Amazons real? Macken answers all on this episode of Species. Bibliography: https://docs.google.com/document/d/10sffWxg1rSj8i2XygMUYUrwxEhtfFffJl6_pjEbYCDU/edit?usp=sharing

28 Tammi 201819min

Giant Panda

Giant Panda

How come giant pandas don't eat meat like other bears? Why are they black and white? Do pandas have 6 fingers? Macken answers all and more on this episode of Species. Bibliography: https://docs.google.com/document/d/1s23JwBXg2Zti-YoRTuCwhgjAAGjwSH6YgfHTCN8Ka74/edit?usp=sharing

21 Tammi 201821min

Coconut Crab

Coconut Crab

Can coconut crabs swim? Is my cat safe from coconut crabs? What happened to Amelia Earhart?  Macken answers all and more on this episode of Species. He also spoils the ending of "King Kong," so watch out for that. Bibliography: https://docs.google.com/document/d/1BrFIVGxUPKJ-TZmqVGohDgg1YRLkYRxrQhasCUaHnQw/edit?usp=sharing

12 Tammi 201815min

Budgerigar

Budgerigar

Which animal is the pound for pound language champion? What is so special about bird brains? Can a budgie lead me to food? Macken answers all and more on this episode of Species. Bibliography: https://docs.google.com/document/d/1o85CPVShpLtfCFho6IT-JLwtBsODrK4sI1pCTfMjQgI/edit?usp=sharing

12 Tammi 201819min

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