The animals develop a new memory that overrides the fearful one by inhibiting the cells that encode the original memory.

In mice, a group of nasal epithelial cells called brush cells release pro-inflammatory signals in response to allergens.

The drug, called memantine, could enter clinical trials to determine its effectiveness in humans.

The low-carb, high-fat diet increases the presence of gamma-delta T cells in the animals’ lungs, improving a mucus barrier against the virus.

A device implanted into mice can modulate brain circuit activity over long periods of time.

Boosting the levels of Akkermansia muciniphila in mouse guts slowed the progression of an ALS-like disease, while two other microbiome members were associated with more severe symptoms.

Some researchers and animal rights groups are amplifying their opposition to an assay that measures how long a rodent tries to stay afloat.

An experiment delves into how the microbiome shapes immunity.

Machine learning could be the key to reducing the use of animals in experiments.