The metabolism of cancer cells is abnormal compared to that of normal tissues. This leads to the alteration of volatile organic compounds (VOCs) in the exhaled breath of individuals with cancer. Study ...

Responding to environmental stimuli is crucial to the survival of organisms and often manifests as alterations in the structure and function of the nervous system. When and how information from the ...

Our noses encounter a vast diversity of chemicals every day, but scientists know little of how odorants stir awake the receptors in our bodies. A recent study is the first to parse the structure of a ...

Cellular differentiation of stem cells into specialized cells requires many steps, including division, to create more cells; fate determination, which is a commitment to a specific lineage or ...

A dog’s brain is wired for smell. Now, a new map shows just how extensive that wiring is. Powerful nerve connections link the dog nose to wide swaths of the brain, researchers report July 11 in the ...