Microorganisms seem to have found a home nearly everywhere on the planet, including the insides of animals. The skin, gastrointestinal tracts, lungs, and mouths of humans have been colonized by ...

One of the most diverse ecosystems on the planet is closer than you think—right inside your mouth. Your mouth is a thriving ecosystem of more than 500 different species of bacteria living in distinct, ...

If scientists could shrink themselves to microscopic size and take a journey through the human body—like the submarine crew ...

For successful cell division, chromosomal DNA needs to be packed into compact rod-shaped structures. Defects in this process can lead to cell death or diseases like cancer. A new study has shown how ...

This video of a so-called HeLa cell dividing demonstrates how sensitive the cell division process is. While all is going well at the beginning of the video, as the clip nears its end you can see the ...

A 'pocket' on the protein cyclin B is responsible for ensuring that the steps of cell division take place in the correct order. Cell division is key for life. Every organism -- from the smallest yeast ...

The way in which blood stem cells evolve over a lifespan differs greatly between humans and mice, new research reveals. The findings provide a new understanding of the critical factors that influence ...