Skin flakes are hard to digest. It’s like eating hair, or feathers. So dust mites have powerful digestive enzymes to break the skin down. Those enzymes turn up in dust mite poop. And let’s just say ...

Grizzly bears, for example, are a subspecies of brown bear found in parts of North America. There are many different subspecies of brown bear found all over the world, from Kodiak bears in Alaska to ...

After a Chicago-sized iceberg broke off an Antarctic ice shelf in January, scientists discovered a thriving ecosystem never ...

The newfound ecosystem is filled with sea crabs, octopuses and gigantic sponges, suggesting it may have been thriving for ...