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For the first time, scientists have successfully plotted the paths of sperm in 3-D, revealing corkscrew-like trajectories and "hyperactive" swimmers. 
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In a new study appearing in the Proceedings of the Royal Society, Timothy Karr, a researcher at Arizona State University's Biodesign Institute examines messenger RNA (mRNA) transcripts present in the sperm of both fruit flies and humans.
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The ideal male contraceptive would be inexpensive, reliable, and reversible. It would need to be long acting but have few side effects.
oliver firth's curator insight,
June 11, 2015 9:56 PM
Certainly an interesting form of contraception. This explains how ultrasound can be used as a form of contraception for males. It explains how it is like a computer is dangerous when on your lap.
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A major breakthrough in fertility has occurred after a team of scientists created ‘artificial’ sperm in a lab, but will it see women giving up on men in the boudoir?
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A sperm cell, much like an expensive robotic vacuum cleaner, is a minimally intelligent body on a mission. Both the Roomba and the male gamete have to navigate a walled space without much idea where they're going or why. And although it won't clean your floors on the way, the sperm cell uses some of the same strategy as the robot vacuum.
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Complex evolution of the female diving beetle reproductive tract has resulted in crazy sperm diversity in male beetles, including 'sperm trains' thousands of cells long.
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A new study shows the production of sperm is more biologically taxing than previously thought, and expending energy on it has significant health implications.
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A low-pitched voice in a man is associated with a litany of masculine traits: dominance, strength, greater physical size, more attractiveness to women, and so on. But new research strikes one trait off that list: virility.
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Bad food, bad genes, and monogamy are sucking the life out of human sperm. But conceptive gels and stem cells could bring some virility back. Visit Discover Magazine to read this article and other exclusive science and technology news stories.
Vicki Larson's curator insight,
July 12, 2014 11:27 AM
"Bad food, bad genes, and monogamy are sucking the life out of human sperm." Yikes! |
