Maybe you've seen a "mermaid's purse" while walking on the beach. Not actually an accessory for the mythical creature, these small casings are the eggs of sharks and their relatives. For around 455 ...
Imagine a tiny spotted shark the size of a normal house cat, moving slowly on fins that act like little legs across the seafloor. It’s a picture that already looks like a nature documentary highlight ...
Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.