A basic review of the anatomy, physiology and personal protective equipment related to the respiratory system.

Following a heart transplant, patients must undergo surgical biopsies so that clinicians can monitor for signs of organ rejection. A new study shows the promise of a biomarker that could allow doctors ...

They’ve discovered a previously unknown organelle – that is, a specialized structure that performs some specific function – inside human cells. The team named it the “hemifusome”, and in a paper ...

Pervasive presence of microplastics in the environment adversely affects plants, animals, and humans. But what is ...