A Mayan mural shows how the other half lived.
People infect animals, too.
Did Pterosaurs sail, as well as fly?
Even the spineless feel pain.
Swine see their world—if not themselves—in the mirror.
Human activity is behind mounting sea levels.
Climate change sends the growth of ancient trees into overdrive.
Northern elephant seals sleep on the descent.
Northern forests need protection, too.
Scientists explore rays’ sensory abilities.
Caves are among the predators’ favorite spots.
The brain doesn't much care whether an experience is real.
Humans will never win a sprint against your average quadruped. But our species is well-adapted for the marathon.
Hear author Xiaoming Wang interviewed by Vittorio Maestro, Editor in Chief of Natural History. (MP3, 17 minutes)