The lungs replenish the body with life-giving oxygen. Learn about the anatomy of the lungs, how the organs make respiration possible, and how they are vulnerable to illnesses.
Archaeologists explored for the first time a 3,500-year-old tomb near Luxor, Egypt. The tomb belonged to a goldsmith and his wife, and includes a crumbling statue of the pair. The family lived during Egypt's 18th Dynasty.
As a red octopus chases a swimmer crab, an unexpected visitor joins the battle. The scene was filmed দ্বারা divers off the coast of Monterey, California.
