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 ...

Despite decades of research, scientists admit that they still have a lot to learn about sleep. In general, sleep can be ...

The new species out of China is known to lock its prey away, alive but paralyzed, until its young have hatched.