Some people believe we know everything about such thing as our body, since we study biology at school, read books, and watch popular videos on YouTube. Well, this is far from being true. The human ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have evolved testicles of all different sizes. In almost all these separate cases, ...

So the mathematician's answer is that humans have either seven or eight holes. In the end, the question is not just about ...

Science writer Mary Roach is fascinated by the human body, especially, she says, the "gooey bits and pieces of us that are performing miracles on a daily basis." Take the human heart, for instance. If ...

Genetics research has been fundamental in our understanding of human history, including this shocking twist in the story of human evolution. For decades now, scientists have pieced together the story ...

"An exploration of the objects that scientists and tinkerers throughout history have invented to protect, repair, or improve our bodies."-- Provided by publisher ...

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Humans have been trying to replace ailing parts of our bodies for thousands of years, turning to prosthetic limbs, ...