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Decapods: Warrior Crabs

Look how epic this little guy is! He is a crab — and if you asked him, the fiercest warrior that...

Crinoids: Beauties Of Echinodermata

Crinoids are unusually beautiful and graceful members of the phylum Echinodermata. They resemble...

Late Cretaceous Fauna: Colinoceras Tarrantense

Previously Calycoceras Tarrantense, this ammonite is now Conlinoceras tarrantense after J.P. Conlin...

Living Fossils: Winning The Slow Race Of Time

Horseshoe crabs are marine and brackish water arthropods of the order Xiphosura — a slowly evolving...

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When there are more free radicals present than can be kept in balance by antioxidants, the free radicals can start doing damage to fatty tissue, DNA, and proteins in your body.

Two views of a natural endocranial cast articulated with a fragmentary skull of Australopithecus africanus, an early hominid living between 2-3 million years ago in the late Pliocene and into the early Pleistocene -- and the first pre-human to be discovered.
Ever wonder why the slow moving sloth has a slightly greenish hue? Ever consider the sloth at all? Well, perhaps not. Location, location, location, is the mantra for many of us in our macro world, but it is also true for the small world of algae.
The Miocene pillow basalts from the Lake Roosevelt National Recreation Area of central Washington hold an unlikely fossil mold of a small rhinoceros, preserved by sheer chance as it's bloated carcass sunk to the bottom of a shallow pool or lake just prior to a volcanic explosion. We've known about this gem for a long while now. The fossil was discovered by hikers back in 1935 and later cast by University of California paleontologists in 1948.

Quintus Sertorius, a Roman statesman come general, grew up in Umbria, the green heart of what is now central Italy.

Born into a world at war just two years before the Romans sacked Corinth to bring Greece under Roman rule, Quintus lived much of his life as a military man far from the hills, mountains, and valleys of his birthplace. In 81 BC, he traveled to Morocco, the land of opium, massive trilobites and the birthplace of Antaeus, the legendary North African ogre who was killed by the Greek hero Heracles.

The Earth has a magnetic field with north and south poles. The magnetic field of the Earth is surrounded by the magnetosphere that keeps most of the particles from the Sun from hitting the Earth.