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Ask A Scientist: What are Hormones?

What Are Hormones? They are types of chemical that the body uses to send a signal from one body part to another. A hormone might be made in the brain, released into the blood and travel to some distant organ, such as the kidney. When it reaches the kidney, this chemical will usually trigger some [...]

Show Me Your Blood, Earwax and Sweat; and I Will Tell You Who You Are!

According to a recent BBC Future article, your body fluids - not only your blood, but also your tears, sweat and earwax - can reveal clues about your health, and more. They can also reveal the hidden workings of your body than was once realised! Blood It is possible to detect just about everything that [...]