"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you find yourself itching your head, you may have dry skin or irritating dandruff. While these are ...

Human scabs have become the model for development of an advanced wound dressing material that shows promise for speeding the healing process, scientists are reporting. Human scabs have become the ...

The discovery of several vials of smallpox virus at the back of a cold storage room at the National Institutes of Health have not only embarrassed scientists and fed global headlines, but it's also ...