In many songbird species, singing can be induced in otherwise nonsinging females or is expressed only during certain life stages. These transient behaviors have been attributed to testosterone-driven ...

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Why do cats generally live longer than dogs? New research suggests that longer lifespans of mammals like cats could be linked to their bigger brains and more complex immune systems. An international ...

The thymus is a crucial training ground for T-cells, the body's "white knights," where they learn to battle the various diseases they may encounter. Thymic function shrinks to nearly nothing as we age ...

As a person with a chronic illness, I'm no stranger to bloodwork. I used to pore over my lab results, googling the various meanings, and trying not to panic when a test fell out of range. Function ...

View post: Filmmaker Comes Face to Face with the ‘Most Dangerous Shark to Humans’ in Chilling Video (Exclusive) Much ado is made over penis size when it comes to male insecurities, but does size ...

Health tech companies focused on preventive medicine and longevity are gaining interest from investors as well as consumers willing to pay out-of-pocket for personalized health services. Function ...

The size effect, or the negative relation between average stock returns and market capitalization that is not explained by market risk exposure, was first documented by Rolf Banz in his 1981 paper ...

“Super Size Me” helped lead a backlash against McDonald’s. Twenty years on, the industry is bigger than ever. Credit...Ben Wiseman Supported by By Brian Gallagher The camera zooms in on a large woman, ...