In jade waters off Hong Kong’s eastern shoreline, scientists are thrilled to spot a cuttlefish protecting her eggs inside an artificial, 3D-printed clay seabed helping to restore the city’s fragile coral reefs. […] Around 84 species of coral are found in Hong Kong’s waters, scientists say, more diverse than those found in the Caribbean Sea. Read more about Hong Kong’s fragile coral reefs boosted by 3D printing[…]