The temples of Angkor are architectural masterpieces laden with artistic treasures, like the bas-relief galleries that tell enduring tales of Cambodian history and legend.
The exquisite fossil, which was rescued from poachers, is one of the few known dinosaurus that lived on the water.
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.
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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.