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 ...

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Humans have been trying to replace ailing parts of our bodies for thousands of years, turning to prosthetic limbs, ...

Lower gravity. Higher radiation. No ER access. These are just a few of the challenges that humans face in outer space. Emily and Regina talk to a NASA astronaut (and astronaut scientist) about the ...

Your birthday can’t tell you this—but your body can. As we age, our bodies conduct every action a bit slower: our daily walks become shorter, our endurance goes down, and our brains aren’t as sharp as ...

A research team led by Prof. Jerald Yoo from the Department of Electrical and Computer Engineering at Seoul National University (SNU) has developed a skin-conformal wearable healthcare system, ...

As we age, our bodies conduct every action a bit slower: our daily walks become shorter, our endurance goes down, and our brains aren’t as sharp as they once were. It’s a shared experience among most ...