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 ...

New research reveals that microplastics can penetrate the brain through the nasal passages, prompting urgent questions about their impact on human health and the environment. Study: Microplastics in ...

Microplastics were found in the olfactory bulbs of eight of 15 human brains at autopsy, a case series showed. A total of 16 synthetic polymer particles and fibers were identified, reported Luís ...

Dogs have always been well known for their ability to identify and track scents. A new study suggests that extensive connections within the dog's olfactory pathway are responsible for this. Further, ...

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 ...

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 ...