A s we age, the quality of our sleep becomes increasingly vital to our overall health and well-being. After the age of 50, many individuals experience changes in their sleep patte ...

Blood vessels in the brain rhythmically constrict and dilate to drive waves of cleansing fluid through the organ.

This film by Sally Aitken follows a hummingbird rescue center and the woman who tends to its denizens with immense care. By Alissa Wilkinson Lean, fast and furious action movies may look simple on ...