Bobby 본즈 travels to Texas to learn how structures are destroyed 의해 demolition crews. In this challenge he learns 더 많이 about selective demolition which requires parts of a structure to be destroyed 또는 removed instead of the whole structure.
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.