Related topics: genes · females · pregnancy · eggs · parents

Orangutan mothers help offspring to learn

When it comes to motherhood, orangutans are animals of distinction. An orangutan mother will stay in close contact with her baby for up to nine years—longer than almost all mammals other than humans. Much like humans, orangutans ...

Pesticide found to reduce fertility in blue orchard bee

A pair of researchers at the University of California, Davis has found that the neonicotinoid pesticide imidacloprid can reduce fertility rates in the blue orchard bee. In their paper published in Proceedings of the National ...

Universal traits spotted in early evolution of sex chromosomes

Researchers from Tokyo Metropolitan University have identified unifying features in the early evolution of X and Y chromosomes. Newly evolved sex chromosomes in three fruit fly species showed the same genetic compensation ...

Freezing fruit flies for future function

The fruit fly Drosophila melanogaster has long been an important experimental model for biological research. While you may be eager to rid your kitchen of this unwanted pest, researchers in Japan have developed a new technique ...

Sharing the love helps male acorn woodpeckers father more chicks

A new long-term study led by Sahas Barve, a Peter Buck Fellow at the Smithsonian's National Museum of Natural History, finds that male acorn woodpeckers breeding polygamously in duos or trios of males actually fathered more ...

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