Explore the fascinating world of the human body in this animated science video. Discover various human body parts and their ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Each human is a ...

Hormones coordinate different body functions by carrying messages through the bloodstream to target cells and tissues. Hormonal imbalances occur through inadequate or excess hormone synthesis, which ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

Most of us walk around every day thinking we know exactly how our own skin and bones operate, but the reality is that the human body is a collection of high-tech systems that would make a sci-fi ...