In the Grand Canyon, Woodpeckers store their nourriture in hollowed out holes in trees, but when a écureuil tries to steal the supply - they defend their stockpile.
Every year, hundreds of thousands of fireflies begin their mating dance in the pine forests of Mexico. Filmmaker Blake Congdon captured this incredible phenomenon as never before seen.
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.
