A life cycle is the series of stages something passes through during its lifetime. We also use the term for things that are not living, like cell phones. The life cycle for anything you buy includes ...

When looking at cells with a microscope, the length of different stages of the cell cycle can be estimated using the formula: \(\text{Length of time in phase}=\) \(\frac{\text{observed number of ...

also from ICRF (see pictures). These three researchers received their prize for outstanding contributions to the study of the eukaryotic cell cycle. Hartwell both identified a particular class of ...

Although the black lines in these photos look relatively sparse ... At different times during the life cycle of a cell, the DNA that makes up the cell's chromosomes can be tightly compacted ...

Not sure how to photograph the northern lights? Here's what you need to know to photograph the aurora borealis with a cell ...

And Lyten’s innovative graphene cathode may have solved a sulfur-depletion problem that initially hampered cycle life ... circuit the cell need further development. See All 13 Photos Bipolar ...

The study addresses the complex regulation of HSCs, highlighting p21's multifunctional nature beyond cell cycle control. Through the use of p21-tdTomato mice, researchers differentiate between p21 ...

The display was seen from the mountains to the Atlantic beaches and lasted intermittently for hours.

Did you miss the lights, or simply want to see them again? Here are 31 photos of them, taken in Ohio and Michigan.

This high school student is glad her school bans phones from the classroom but says her schoolwork, social life and job all ...

Calcineurin fine tunes the balance between proliferation and differentiation of Notch-responsive progenitors in the pancreatic ducts to enable beta cell regeneration in zebrafish.