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 ...

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 ...

Given troves of data about genes and cells, A.I. models have made some surprising discoveries. What could they teach us someday? Credit...Doug Chayka Supported by By Carl Zimmer In 1889, a French ...