Some see a finger. Others, a worm. Scientists often call it an antenna. This tiny structure, sticking out from the surface of most human cells, is known as the primary cilium. Though nearly every cell ...

As a kid of the 1970s, Mary Roach sat in front of the TV watching “The Six Million Dollar Man” promise a techno-rebirth. “We can rebuild him,” the narrator intoned. “Better than he was before. Better.

Humans have long wondered if there is a limit to lifespan. Even if major illnesses such as cancer, heart disease, or diabetes are avoided, science suggests that human life may have a natural ...

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 ...

In mapping the primary cilia in human cells ... the study is publicly available through the Human Protein Atlas, an open resource for scientists and clinicians worldwide. “I’m a strong believer in ...

When we think of lead poisoning, most of us imagine modern human-made pollution, paint, old pipes, or exhaust fumes.

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, ...