Muscles do far more than help us lift heavy things off the ground. Muscles make the heart work we...

The huge corpse flower rarely blooms. When it does, it gives off a strong smell-the smell of a ro...

There are over 650 different types of leeches, and most want to suck your blood! These real-life ...

Deserts aren't home to many plants. Those that live in such dry, hot environments need to have sp...

Marine animals have adapted to their habitat over millions of years. Huge whales and giant squids...

The circulatory system doesn't just move blood around the body. It moves nutrients, oxygen, hormo...

Aquamarine and emeralds are both varieties of the mineral beryl. Aquamarine is the most common ki...

What were the causes of the American Civil War? Although the answer to this question may at first...

What were the causes of the American Civil War? Although the answer to this question may at first...