This experimental study used life-sized and screen-based 3D male avatars to test how penis size, height, and body shape ...

The study aimed to investigate why humans may have evolved to have larger appendages compared to other primates.

"Size matters" sounds like a tabloid cliché, but for evolutionary biologists the size of the human penis is truly a puzzle.

Researchers find obelisks, mysterious RNA molecules in human bacteria that challenge our understanding of viruses and ...

You’ve probably seen the body shape charts that tell you to grab a measuring tape, take five different measurements, and then ...

When it comes to health and fitness, it's easy to get caught up in numbers, but physical well-being isn't always reflected in the outward metrics of scales. Your body may be performing at a much ...

You might think that the human body has many holes, but that number shrinks when you stop to consider what counts as a hole. When you purchase through links on our site, we may earn an affiliate ...