Stories about: contagious  

Study finds wolves yawn when they see others of their kind do the same

Juvenile chimps living in sanctuaries are likely to yawn when they see people doing so

Researchers find dogs often yawn when they see a person doing the same

Teens are more likely to commit suicide after one of their friends dies in the same manner

People are more interested in texting or talking on their phones when others do the same

Skin disorders might be cured more easily if we understand why people itch