Kids on TV and in movies always seem to be keeping hamsters and gerbils as pets. They're small, look cute, and don't need to be taken for a walk. So why don't we all have hamsters and gerbils as pets ...
Why do animals engage in sexual reproduction? Biologists sought answers with mud snails that breed both sexually and asexually. They found that asexual snails grow faster and reach reproductive age ...
A fisheries oceanographer and colleagues introduce a new endocrine-based approach to determine timing of sexual maturation in one of the most important commercial tuna species in the Atlantic. Using a ...
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