Tissue engineering is a set of methods that can replace or repair damaged or diseased tissues with natural, synthetic, or semisynthetic tissue mimics. These mimics can either be fully functional or ...

Biomedical engineering is a branch of engineering that applies principles and design concepts of engineering to healthcare. Biomedical engineers deal with medical devices such as imaging equipment, ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...