Hoarding is classified as an obsessive-compulsive disorder and inflicts at least 2 percent of Americans. When it involves animals, a host of health risks can come into play. ...read more
Traces of gold in the world's oceans have captivated ambitious minds for more than 100 years. We're still seeking new, inventive ways to extract the precious metal. ...read more
Humans are one of the only animals that experience menopause. Multiple hypotheses try to explain why and highlight the extraordinary role (and benefits) of the human grandma. ...read more