How one cell gives rise to an entire body

Can Tissue Engineering Make Space Living Possible?

Growing an ear in your arm is not science fiction—it's tissue engineering! 🌟 Doctors create a mold of an ear, cover it with the patient's cells, and place it under the skin, often in the arm. Over a few months, these cells grow and form cartilage. Once ready, doctors relocate the ear to its proper place. There was an incredible case in China where scientists successfully grew an ear on a patient's arm. Similarly, artist Stelarc grew an ear on his forearm for an art project. This amazing techniq

NASA Science Live: Engineering Human Tissue