The thirteen-lined ground squirrel doesn’t drink during its winter hibernation, even though systems throughout its body are crying out for water. Madeleine Junkins and colleagues now show that the ...

Bones, although composing the hardest tissue in the human body, are not stagnant structures. According to recent studies, bones maintain a lively metabolism and closely interact via nerves with the ...

Osmotic homeostasis is one of the most aggressively defended physiological parameters in vertebrates. However, the molecular mechanisms underlying osmotic regulation are poorly understood. The ...

The hypothalamo-pituitary-adrenocortical (HPA) axis is recruited by the organism in response to real or perceived threats to homeostasis ("stress"). Regulation of this neuroendocrine system is ...