Experienced bumblebees prefer not to share their foraging knowledge with newbies. Two bees were allowed to visit the flowers at a time – one more experienced resident and one newcomer. When the newcomer bees tried to copy the choices of seasoned foragers, the more experienced bees frequently attacked them and tried to evict them from flowers.
Low levels of pesticides can impact the foraging behaviour of bumblebees on wild flowers, changing their floral preferences and hindering their ability to learn the skills needed to extract nectar and pollen, according to a study co-authored by a University of Guelph professor.
Detailed exploration of tiny insect brains has become much easier using new methods for imaging and 3D image reconstruction. The researchers used this X-ray imaging to produce hundreds of image slices that can be re-constructed by a standard laptop computer into a high resolution 3D model.
Salmon have an ace up their sleeve -- or in their gills -- when facing challenging conditions that could affect their hearts, according to a study led by a University of Guelph researcher. The researchers found that carbonic anhydrase (CA) can help improve delivery of oxygen to the heart.
New research from the University of Guelph on the brain and memory could help in developing therapies for people with schizophrenia and Alzheimer’s disease.
A new model developed by an international team including a University of Guelph researcher will help better understand and manage threatened ecosystems.
Frozen fecal transplantation is just as effective at providing relief to Clostridium difficile (C. diff) patients as fresh microbiota transplantation, according to a new study co-authored by University of Guelph researchers.
A novel therapy tested by University of Guelph scientists for treating a fatal heart disorder in dogs might ultimately help in diagnosing and treating heart disease in humans.
Red squirrels living in a low-stress environment harbour healthier communities of micro-organisms, a result that might hold implications for human health, according to a new University of Guelph -led study.
A new study by University of Guelph researchers that narrows down where and how estrogens affect the brain may help in understanding how the hormones affect cognition and memory in women. The team found that adding the hormone to female mouse brains helps boost short-term learning, likely through a “use-it-or-lose-it” process.
Learning how hagfish survive without oxygen could offer valuable insights for cardiovascular research, according to a new study co-led by a University of Guelph professor. It is the first known study to examine how the isolated hagfish heart functions for extended time periods with little or no oxygen. The results give insight into human cardiovascular health and strategies to protect tissue integrity after cardiac events.
New research explains how the structural properties of coffee beans are altered after being eaten by the civet cat, ultimately producing beans used to make Kopi Luwak coffee, the most expensive coffee in the world.
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