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Article: Men Find Yet Another Way To Compete.(research on human sperm production)
- Article from:
- Popular Science
- Article date:
- September 1, 2005
- Author:
CopyrightCOPYRIGHT 2005 Bonnier Corporation. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Byline: Siri Steiner
Animals have developed some fascinating tactics to ensure that their genes survive to the next generation: impressive color displays, the best pheromone smell, sperm that induces the female to ovulate right after mating. And humans apparently aren't above such biochemical shenanigans. A recent study has shown that human sperm are honed for competition.
The study, conducted at the University of Western Australia, examined the effect of gender-specific pornography on sperm. On one day of the study, the heterosexual subjects donated samples while they viewed pornography that featured three women. On a separate day, the same subjects ...