Shifts in butterfly mating preferences

In their efforts to identify the genetic basis for differences in mate choice that keep two co-existing species of butterfly separate, evolutionary biologists at LMU have identified five candidate genes that are associated ...

Mother bats use baby talk to communicate with their pups

When talking to babies, humans slow down their speech, raise their pitch and change the "color" of their voice. This 'baby talk,' as people know it, increases the infant's attention and facilitates language learning. Among ...

Secondary school admissions system is still a work in progress

New research, examining how parents choose secondary schools, questions England's 'success rate' for admissions and suggests the 'good news' revealed today may not tell the full story. Researchers believe the system could, ...

Human eggs prefer some men's sperm over others, research shows

Human eggs use chemical signals to attract sperm. New research from Stockholm University and Manchester University NHS Foundation Trust shows that eggs use these chemical signals to choose sperm. Different women's eggs attract ...

Fishing can disrupt mating systems

In many fish species body size plays an important role in sexual selection. Large individuals are preferred mating partners because they can enhance offspring survival by providing better quality resources than small individuals. ...

Climate crisis: We are the system that needs to change

Climate change no longer seems just a future threat. In 2019, major fires in Australia, Russia and California burned over 13.5 million hectares of land—an area four times greater than the size of Belgium. Major floods and ...

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