Microplastics were found in the olfactory bulbs of eight of 15 human brains at autopsy. A total of 16 different synthetic polymer particles and fibers were identified in olfactory bulbs. The olfactory ...

Animals depend on their sense of smell to locate food, identify mates and evade danger. In mammals, olfactory perception typically relies on G protein–coupled receptor (GPCR) pathways. Insects, by ...

Scientists in Brazil found microplastics in the brain tissue of cadavers, according to a new study published Monday in the journal JAMA Network Open. Mounting research over the last few years has ...

Viruses can inflame and disrupt connections between the olfactory system, which governs the sense of smell, and the part of the brain associated with memory and learning, possibly accelerating the ...

Exposure to ultrafine particles from traffic alters the expression of many genes in human olfactory mucosa cells, a new study shows. The study is the first to combine an analysis of emissions from ...

Long after an animal’s soft tissues have vanished, its skull still carries a blueprint of how it sensed the world. For ...

Researchers from the National Institute for Physiological Sciences/the Exploratory Research Center on Life and Living Systems (ExCELLS) in Japan identified a TRPA1 stimulant acts as a novel insect ...

Whether it’s a walk in the park, hike in the forest or tending to a backyard garden, there’s ample subjective and scientific evidence that being in nature can have beneficial effects for us, from ...

Mammalian/mechanistic target of rapamycin (mTOR) signaling controls cell growth, proliferation, and metabolism in dividing cells. Less is known regarding its function in postmitotic neurons in the ...