A cell nucleus reconstituted in vitro in Xenopus laevis (African clawed frog) egg extract. Left image shows a fluorescence image where DNA has been stained and right image shows a density map of the ...

In a quiet lab at Utrecht University, researchers have built a tool that lets you watch one of life’s most serious crises unfold in real time. Inside every cell, DNA breaks, repairs, and sometimes ...

When you think "parasite," you might think of leeches or some nasty tape worm, but there are some that can live inside your very own cells. Hosted by: Olivia Gordon SciShow has a spinoff podcast! It's ...