We have two types of hair, says dermatologist Elizabeth Houshmand. Vellus hairs, or “peach fuzz,” cover virtually our entire ...

Koch Hall of Human Origins,” which opened 15 years ago. Smithsonian's Human Origins Program. What does it mean to be human ...

The parakeets commonly kept as pets could offer fresh clues about vocal learning and potential treatments for speech ...

Our blood consists of many cell types that develop through different stages from a precursor type -- the blood stem cell. An international research team has now investigated the developmental pathways ...

New research shows how a specially trained population of immune cells keeps the peace by preventing other immune cells from attacking their own. The study provides a better understanding of immune ...

As one of the world's most popular fruits, apples provide both nutrition and health benefits. Eating apples may help with ...

In a recent, cross-institutional study partially funded by the National Institutes of Health, researchers report that healthy ...

The human body is one of the most complex and fascinating machines ever studied, yet there’s still so much we don’t ...

The Carr Center for Human Rights Policy serves as the hub of the Harvard Kennedy School’s research, teaching, and training in the human rights domain. The center embraces a dual mission: to educate ...

The medical conditions that can cause clubbing are generally associated with decreased oxygen levels. Experts suggest that clubbing occurs as your body undergoes changes in response to low oxygen.