Since Darwin, biologists have been fascinated by the evolution of sociality. In its most extreme form, eusocial species exhibit a division of labor in which certain individuals perform reproductive ...

In animals, numerous behaviors are governed by the olfactory perception of their surrounding world. Whether originating in the nose of a mammal or the antennas of an insect, perception results from ...

Each cell in the body has the same genetic code, yet different cells interpret the code differently. Muscle cells express different genes than nerve cells and blood cells, and when they divide, their ...

Cancers, degenerative diseases: deregulation of our cells' internal communication pathways is at the root of many conditions. Microtubules -- microscopic protein filaments -- play a crucial role in ...

Geoffrey K. Aguirre, MD, Assistant Professor of Neurology at the University of Pennsylvania School of Medicine, says "the same math that could break into your car can be used to crack the brain's ...

Diet exerts a major impact on health and ageing. The nervous system plays an important role in this process but, thus far, how food signals are interpreted by the nervous system has been a mystery.