Miniature organs grown in the lab can organize themselves into complex shapes. But they never do it the same way twice, which makes it hard to use these so-called 'organoids' to study disease. Now, ...

CO₂-Based Gelation Process: Mixing Alginate, Calcium Carbonate, and Carbonated Water (IMAGE) Tokyo University of Science Caption Carbon dioxide creates the acidic environment necessary for calcium ...

Hydrogels, soft materials consisting of polymer and water, could replace damaged cartilage in people or serve as artificial muscles and nerves for soft, deformable robots. But it’s difficult to make ...