This story was originally published on May 7, 2021. Animals Scale Tooth Whale Get the best tech, science, and culture news in your inbox daily. News from the future, delivered to your present.

Habitat loss also has taken a toll, as has poaching for traditional Asian medicine, which ascribes therapeutic properties to the animals’ body parts. An ongoing pet trade “would really push ...

This lesson is about some of the things animals do to keep what goes on inside their bodies perfectly balanced, and few things are more important to keep balanced than body temperature.