As people age, their immune system function declines. T cell populations become smaller and can't react to pathogens as ...

Unlike our organs, cell organelles such as mitochondria are not fixed in place, but when, where, how, and why organelles move ...

Unlike our organs, cell organelles such as mitochondria are not fixed in place, but when, where, how, and why organelles move ...

A quick revision guide covering key concepts, biomolecules, cell organelles, and essential NEET-style MCQs to boost exam ...

Cells manage a wide range of functions in their tiny package — growing, moving, housekeeping, and so on — and most of those functions require energy. But how do cells get this energy in the first ...

Many biological processes are regulated by electricity—from nerve impulses to heartbeats to the movement of molecules in and ...

Scientists at St. Jude Children's Research Hospital have characterized a hidden intermediate state at the center of Src kinase function. This hidden state allows the kinase to repeatedly modify its ...

Mitochondria can lose power like batteries, but they can potentially be regenerated—a promising development than can be used ...

Researchers found that anxiety and insomnia were linked to reduced levels of natural killer cells in young women. As stress and sleep problems intensified, immune defenses appeared to weaken further.

The immune cell repertoire is composed of many different cell types that are orchestrated in response to infection and other pathogens that enter the body. As a result, the body can defend itself ...

In most counting scenarios in Excel, COUNTBLANK reliably counts blank cells, and COUNTA reliably counts populated cells.