Researchers at the National University of Singapore have reported crossing the blood–brain barrier with help from a modified Lactobacillus plantarum. By delivering an appetite-regulating hormone ...

in an individual’s olfactory epithelium. This process is mediated by differential rates of turnover (i.e., the rates of birth and survival) among the different neuron subtypes. The mechanisms by which ...

Animals, including humans, rely on multiple senses to navigate their environments and make decisions. This integration of ...

(A) UMAP visualization of 10,587 zebrafish olfactory epithelium cells. A total of nine cell types are color-coded based on major cell types. (B) Dot plot of markers delineating molecular cell types.

How Smells Work First, let’s see how we smell things. Smell is due to molecules of a particular substance that travel into your nose. These odor molecules contact a tissue called the olfactory ...