This article was originally featured on Knowable Magazine. More than 1.5 billion years ago, a momentous thing happened: Two small, primitive cells became one. Perhaps more than any event—barring the ...

The ability of plants to convert sunlight into food is an enviable superpower. Now, researchers have shown they can get animal cells to do the same thing. Photosynthesis in plants and algae is ...

Researchers have developed a way to 3D print custom micrometer-sized structures directly into the interior of living cells.