On average, an adult has about 1.2 to 1.5 gallons – or 10 units – of blood in their body, according to the American Red Cross. This accounts for approximately 10% of a person's weight. Now that's a ...

We've all had times when we've been a little short on cash. It gets us thinking about what we can do to earn some extra money to tide us over until the next month. And if you like the idea of helping ...

Plasma, the fourth state of matter, is created by applying electrical energy to a gas, causing ion formation. When an energy source, such as electrical energy or radio waves, transfers energy to gas ...

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