As the temperature drops and winter sets in, many people feel the familiar signs of the season: chilly fingers, dry skin and that sluggish sensation that can creep in during colder months. But what is ...

Your skin is in a constant state of reinvention. Every month, your body sheds and regenerates its entire outer layer—a complete turnover powered by tiny, tireless stem cells. These same cells spring ...

When you were first conceived, you were a single cell. From this basic fact, we can extrapolate a few things, most especially that all the cells that make up your body today came (indirectly) from ...

Whether it’s counting red blood cells under a light microscope or recording bursts of electricity as neurons fire, scientists spend a lot of time studying cells. With such a diversity in form and ...

Cancer cells can disarm the immune system not just by hiding from it, but by actively reprogramming nearby immune cells into a suppressed state. This previously unrecognized molecular interaction, ...

How does a cell know when it’s been damaged? A molecular alarm, set off by mutated RNA and colliding ribosomes, signals danger. When the sun shines on your skin, what does it hit? When it causes a ...