Greenland Shark

The International Union for the Conservation of Nature lists the Greenland shark as vulnerable to extinction.

The Greenland shark’s scientific name is Somniosus microcephalus, and its Latin name roughly translates into “sleepy little head.” This species has been described in scientific literature as “notably sluggish.”

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The Four Fundamental Forces

The four fundamental forces act upon us every day, whether we realize it or not.

There are four fundamental forces at work in the universe; the strong force, the weak force, the electromagnetic force, and the gravitational force. The one we are all familiar with, the one that keeps us from floating off into space as we walk around, gravity is the weakest of the four. How can that be? Let’s see:

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