Tag Archives | offspring


Second virgin birth by shark confirmed

Scientists have confirmed the second-ever case of a “virgin birth” in a shark, raising the possibility that a relatively large number of female sharks may have this incredible capability. Authored by Dr. Demian Chapman, a shark scientist with the Institute for Ocean Conservation Science at Stony Brook University, the study that details the birth is […]

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Researchers Investigate Giant Sperm Paradox

Adam Bjork and Scott Pitnick of Syracuse University have been getting down and dirty with sexual selection again. Following on from theirbig bat testicle research, the two say that they have discovered a major conundrum in the area of evolutionary biology. In their article in Nature, Bjork and Pitnick discuss the paradox they discovered within […]

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