Every day, your body replaces billions of cells—and yet, your tissues stay perfectly organized. How is that possible? Subscribe to our newsletter for the latest sci-tech news updates. A team of ...

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 ...

Over time, plastics break into smaller and smaller fragments called microplastics and — when they’re invisible to the naked eye — nanoplastics. The human body’s mechanisms for expelling foreign ...

We’ve come a long way from the Vacanti mouse. Back in the mid-90s, Charles Vacanti and other researchers experimented with cartilage regeneration and, with the help of a biodegradable mold and bovine ...

A new study has provided some of the clearest evidence yet of how smoking physically damages human lungs. For the first time, ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

Scientists have discovered that smoking changes human lungs in a way that may make breathing physically harder over time. A ...

You may not be able to grow bigger muscles out of thin air, but you can 3D print them in microgravity, scientists at ETH Zurich have now established. "3D printing" refers to a type of manufacturing ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...

Protein is one of the most vital nutrients for the human body. It helps maintain the strength of muscles, skin, hair, nails, and bones. It also repairs damaged tissues and helps build new cells.

New research from ChristianaCare and the University of Delaware shows how math can help unlock the body’s hidden blueprint for staying healthy This research is the product of more than 15 years of ...