The presence of male sperm and seminal fluid causes female worms to shrivel and die after giving birth, Princeton University researchers reported this week in the journal Science. The demise of the female appears to benefit ...
Plants & Animals
Dec 19, 2013
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Leafcutter ant queens can live for twenty years, fertilizing millions of eggs with sperm stored after a single day of sexual activity.
Plants & Animals
Mar 18, 2010
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(PhysOrg.com) -- Stopping male mosquitoes from sealing their sperm inside females with a 'mating plug' could prevent mosquitoes from reproducing, and offer a potential new way to combat malaria, say scientists publishing ...
Plants & Animals
Dec 22, 2009
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Females can be too attractive to the opposite sex -- too attractive for their own good -- say biologists at UC Santa Barbara. They found that, among fruit flies, too much male attention directed toward attractive females ...
Plants & Animals
Dec 8, 2009
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(PhysOrg.com) -- When it comes to wooing females, males of all species -- even fruit flies -- try to gain a competitive edge.
Plants & Animals
Apr 14, 2009
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Plant biologists at ITbM have made a key discovery that the contents in pollen tubes alone can increase the size of seeds, without the need for fertilization. This finding may be useful in developing crops, which can develop ...
Cell & Microbiology
Nov 14, 2016
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Bubbling out of their hibernation burrows as the temperature begins to rise, male red-sided garter snakes only have one thing on their mind: mating. And with females in short supply, the pressure is on. But how much effort ...
Plants & Animals
May 13, 2015
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Dinosaurs were the largest animals to ever walk Earth, and they ruled the planet for more than 160 million years. The long-necked Argentinosaurus, with back vertebrae almost two metres high, possibly grew to 30 metres long ...
Archaeology
Jul 16, 2013
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