In sex life of jumping spiders, size matters
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From post-coital cannibalism to love at first sight, the sex life of the African jumping spider is full of surprises, according to a new study.
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A form of intersex fish, which have both male and female traits, were found more often by researchers in areas with more farming and population density, according to a new study by the U.S. Geological Survey.
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Female promiscuity in butterflies has been found to rise as bacteria kill off male partners.
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Stuff your giant-size brain with these big finds about the true size of "un-huggy" thunder lizards, prehistoric crime dramas set in Minnesota and other obviously indisputable scientific theories. Commentary by Lore Sj&#246;berg.
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An animal the size of a small squirrel experimented with aerial life about the same time as birds, scientists said.
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In the world of sexual research, some experts like to compare men to a light switch: It doesn&#39;t take a whole lot of effort to turn them on.
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A "Spider-man" suit allowing wearers to scale vertical walls could one day be a reality, according to a study.
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Muscular young men are likely to have more sex partners than their less-chiselled peers, researchers at the University of California Los Angeles said on Monday.
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SACRAMENTO -- The Spiderman Bandit didn't scale walls and spin webs while robbing banks. Rather, weblike tattoos on his forearms earned him the nickname.
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Bigger is better, the saying goes, and in the case of evolution, the saying is apparently right.
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A Pacific island butterfly makes a comeback, in one of the fastest evolutionary changes ever observed.
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Recent research reveals how boys and girls react differently to having their first sexual experience.
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Scientists have discovered a potentially marketable contraceptive in the venom of Chile&#39;s black widow spider, whose bite is fatal to many but can also cause prolonged, painful and involuntary erections in men.
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Gene Simmons, eat your heart out. A newfound bat's tongue can stretch to one and a half times the length of its body, and now scientists think they know why.
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No idea, admit US researchers US researchers have admitted they cannot explain why women are more likely than men to get legless at sexually-themed fancy dress parties - a shock finding which is the only known exception to the rule that chaps will invariably sink more alcohol at social gatherings than the ladies.â¦
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Australians have been warned: angry arachnids are heading indoors.
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Male chimpanzees have evolved huge testicles and sperm counts for their body size. Among gorillas, females mate only with a dominant male, and accordingly, gorillas&#39; testicles are tiny.