Males of many animal species have evolved extravagant signals to attract mates, but those signals also risk exposing males to predators and parasites. Researchers have generally hypothesized that natural selection favors ...
A UConn plant science professor working with hemp plants has developed a way to maximize the production of female flowers, which produce significantly higher quantities of cannabinoids than male flowers.
A mysterious male skeleton, lying face-down deep in the Thames mud, with a pair of in-situ thigh-high leather boots has been discovered by our archaeologists working on one of the sites being used to build London's super ...
Paternal care – where fathers care for their children – is rare among mammals (that is, animals which give birth to live young). Scientists have identified more than 6,000 mammal species, but paternal care only occurs ...
The White-browed Shortwing (Brachypteryx montana) has been considered to be a single species distributed from the central Himalayas to the southeast Chinese mainland and the island of Taiwan, the Philippines and Indonesia. ...
Picture this scenario. You are going backpacking around South America and stop in Brazil. You will be there for only a few days, but you want to meet someone local.
What factors sustain the diversity of life on our planet? This is the main question surrounding the study of biodiversity, but in spite of significant gains in our understanding of the field, many of the key factors defining ...
A team of researchers from Japan, Brazil and Switzerland has found evidence that suggests female penis-like appendages in two types of cave insects evolved independently. In their paper published in the journal Biology Letters, ...
Male birds-of-paradise are notorious for their wildly extravagant feather ornaments, complex calls, and shape-shifting dance moves—all evolved to attract a mate. New research published in the open-access journal PLOS Biology ...
In most animal societies, members of one sex dominate those of the other. Is this, as widely believed, an inevitable consequence of a disparity in strength and ferocity between males and females? Not necessarily. A new study ...
Dec 11, 2018
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