This artificial cartilage gets its strength from the stuff in bulletproof vests
High water content allows the new material to ferry nutrients, just like the real thing
![synthetic cartilage](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/01/010418_MT_artificial-cartilage_main.jpg?fit=860%2C460&ssl=1)
COUNTERFEIT CARTILAGE Newly fabricated artificial cartilage made mostly from water is strong and resistant to tears.
Joseph Xu/Michigan Engineering Communications & Marketing