A stick-on patch enables sampling of immune cells in the skin.

Pathogens can take various routes to pass the blood brain barrier and damage cells.

Drugs that doctors use to sedate patients during traumatic medical procedures act on neural receptors to alter brain activity.

Small microRNA-containing particles found in the plant can boost populations of healthy gut bacteria, and even improve colitis symptoms in mice.

Trees are resilient, but researchers wonder if climate change will outpace their adaptations.

Apoptosis and other types of programmed cell death appear to be reversible.

From cellular self-digestion to the effects of exercise on the brain, our features editor picks her favorite art custom-made for the magazine.

How acoustic waves let researchers measure whether, and how firmly, cells are bound to a substrate

Tips for accommodating students with animal helpers in laboratory courses.