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Image of the Day
Image of the Day: Size Matters
Staff, The Scientist Staff | Feb 23, 2018
The male proboscis monkey’s large nose probably evolved in response to female preference and competition between males.
Image of the Day: Rainbow Butt
Staff, The Scientist Staff | Jan 4, 2018
Scientists explore why male peacock spiders are so colorful.
Image of the Day: Butterfly Wing Scents
Staff, The Scientist Staff | Nov 13, 2017
butterflies, researchers discover the importance of a male wing structure in female choice.
RNA-based Sex Determination?
Bob Grant | Aug 20, 2014
Researchers find that microRNAs may play a role some of the sexual differences seen in fruit flies.
Faces for Fighting?
Jef Akst | Jun 10, 2014
Scientists propose that hominin facial bones evolved for protection against the powerful blows of combat.
Males Court Bearded Ladies Less
Yao-Hua Law | Nov 6, 2013
Blue badges that make female lizards less attractive to potential mates are paradoxically common.
The Ultimate Wingman
Tracy Vence | Nov 1, 2013
Differential gene expression between dominant and subordinate male turkeys could help evolutionary biologists deconstruct the roots of sexual dimorphism.