Some dolphins in Australia have a special technique to flush fish from the seafloor. They hunt with a sponge on their beak, ...

Hedgehogs are one of the odd-looking mammals out there, with their pointed noses and spiky spines covering their body. Hedgehogs come in a variety of sizes, and some species are so tiny they can fit ...

We consulted dentists to discover the potential benefits and side effects of fluoride-free, nano-hydroxyapatite toothpaste.