DOG: Did members of your family fight or help in World War One? Well guess ... Even the smallest animals can help out. These glow worms give off a natural light so they are very useful for ...

Not only is it not a jellyfish, it's not even an "it," but a "they." The Portuguese man-of-war is a siphonophore, an animal made up ... in venom-filled nematocysts used to paralyze and kill ...

Impact Link Donkeys are starting to appear among the Kremlin's invasion forces, with Russian media and war commentators reporting that the animals are used to ... saying they were deployed as ...