There's a short answer and a long answer to this mysterious question.
The water in your body changes throughout your life.
There are a few key ingredients are needed for life to exist.
The mind-body connection is stronger than you think.
Find out how well a human eye compares to a cell phone camera.
This childhood disease is harder to fight the older you get.
This super-sensitive explosive will explode in virtually any scenario.
View the world in correct proportions with this map.
This is a concept invented by the American meteorologist.
Not everyone feels pain when water enters their noise.
A professor of geology was the first to identify a dinosaur correctly.
A planet's density tells us more information than its size.
The human body is constantly renewing itself.
This liquid chemical is so corrosive that it can virtually burn through anything.
Scientists have known that for decades that sore muscles are caused by something else.