Smart Squids

Squids get less publicity than octopuses, but they are really weird as well. The sea creatures have developed so many strategies for evading predators in the sea that we must marvel at how undersea life is totally different from the way land animals go through life. There are about 500 species of squid, and they…

Why Do Mosquito Bites Itch?

Mosquito bites are just as pesky as the bugs themselves! The second you feel relief from scratching the bite, all of the itchings comes back. It can be distracting during the day and even interrupt your sleep schedule at night. It’s not fair that such a tiny bite can cause such a big nuisance, right?…

Where Do Pearls Come From?

Do you know where pearls come from? They don’t grow on trees. You can’t plant them. They aren’t mined out of the ground either. So where do pearls come from? Pearls come from a living sea creature: the oyster. These beautiful round jewels are the result of a biological process within the oyster as it protects itself from foreign substances. Although…

Chameleon Changing Color

Unlike other animals that change colour, such as the squid and octopus, chameleons do not modify their hues by accumulating or dispersing pigments within their skin cells, the researchers found. Instead, the lizards rely on structural changes that affect how light reflects off their skin, the researchers said. A Chameleon changes colour out in the wild…

Top 10 Extinct Birds List

We only know a small fraction of extinct bird species, but we guess that over 160,000 species of birds have existed since they first evolved. Since 1500, over 190 species of birds have become extinct, and this rate of extinction seems to be increasing. The situation is exemplified by Hawaii, where 30% of all known recently extinct bird taxa originally lived. Other areas, such…

The Survival of the Sea Turtle

Sea turtles are large, air-breathing reptiles that inhabit tropical and subtropical seas throughout the world. Sea turtles have a strong sense of place—when it’s time to nest, they return to the same beach where they hatched decades before. All sea turtles in the United States are listed as endangered, except for the olive ridley and loggerhead, which are listed…