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Posts Tagged "male"

Guest Blog

Engineering Is a Man’s Field: Changing a Stereotype with a Lesson from India

Among rude people, the women are generally degraded; among civilized people they are exalted. —James Mill, The History of British India Two years back, we were putting together a report on the employability (job-readiness) of engineering students in India based on the results of AMCAT, a job-skills test my company and I developed (Aspiring Minds [...]

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Not bad science

Male Praying Mantids Have a Strategy For Not Being Eaten by Their Mates

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We usually think about male and female mates getting along pretty well (that’s ‘mate’ in the biological sense, not your friendly British/ Australian friend). Often after mating, male and females have to work together to ensure that the female gets the nutrition she needs while incubating eggs or rearing offspring. Even after this, many animals [...]

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Observations

50 Shades of Sea Slug Sex: It’s Stranger Than You Think

sea slug sex traumatic mating female

Two-part barbed penises, a physical struggle and 20 minutes of penetration. That’s how some sea slugs do it. But the real shocker is that, for one species at least, those in the female role seem to engage in these bizarre, violent sexual encounters more often than might be biologically necessary. Nothing about sea-slug sex sounds [...]

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Observations

Circumcision Cuts Prostate Cancer Risk

Circumcision might reduce a man’s risk of developing prostate cancer by 15 percent, according to new research published online March 12 in Cancer. Of 1,754 men surveyed who had been diagnosed with prostate cancer, fewer—percentage-wise—had been circumcised than the 1,645 men who did not have prostate cancer. Men with more aggressive forms of prostate cancer [...]

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Observations

Pregnant male fish can choose to make good babies better or abort (and consume) them

male pregnant seahorse abort babies gulf pipefish

Sea horses and their cousins in the syngnathid group are the only known animals in which the male gets pregnant and bears the offspring. In these unusual reproductive circumstances, however, the next generation often does not thrive—or even survive. A new study of sea horse cousins called pipefish found that the males can be particular—and [...]

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Octopus Chronicles

Unusual Offshore Octopods: The Weapon-Wielding Blanket Octopus [Video]

blanket octopus

We continue our exploration of the many mysterious octopuses that live far from shore—and the eyes of humans. Today we meet the blanket octopus (Tremoctopus), a genus with four species that, until recently, had only been described based on female specimens. Why? Although they live in the vast open ocean, they are big (up to [...]

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