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

In terms of quantity, the stool samples contained, on average, 20 particles of plastic, ranging in size from 50 to 500 micrometers. (For comparison, a human hair is about 100 micrometers thick.) ...

Scientists say they captured 3D images of a new organelle they're calling a "hemifusome," which may be a recycling center in ...

Discover how your stress response is actually working for you—and how imagination can help you adapt, even when the world ...

When a massive tree toppled in the floodplains of Fonte Boa, a region in the Brazilian Amazon, local fishermen noticed ...

Scientists have discovered a never-before-seen part of a human cell that could help research on Alzheimer's disease. The new ...

University of Virginia scientists discover new cell organelle called "hemifusome" that helps manage cellular recycling.

“But brain function is irreversible and is usually the final marker of death. If someone’s heart and lungs have stopped but brain is active, they’re alive but if you’re brain dead but your body is ...

A new organelle has been discovered in human cells — and scientists call it a "hemifusome."Like the full-size organs in our ...