Scientists found that combining oxytocin with an Alk5 inhibitor revitalized extremely old male mice, boosting their lifespan and strength. Female mice showed only short-term improvements, highlighting ...

The adornments on the heads of male Lady Amherst’s and golden pheasants partially block their sight, according to new ...

Some partner qualities matter more in the absence of physical attraction. Men were open to a long-term relationship with a ...

In the animal kingdom, penises can be spiked, split, corkscrewed—even detachable. They're one of the most diverse structures ...

A major new initiative aims to redefine human-based research models for greater understanding of disease and the acceleration of new medicines.The proposal will enable the development of advanced, ...

Is it fair to hold women athletes to men’s standards? For a long time, the idea of any human running a mile faster than 4 ...

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