Mini sea monster had teeth as sharp as a saw blade

A sea monster with teeth so sharp they formed a “saw-like blade,” swam in the waters of what is now Morocco about 66 million years ago, a new study finds. Miners discovered the remains of this creature — a lizard-like marine reptile called a mosasaur that lived during the dinosaur age — at the Sidi […]

Scientists propose to make a laser scalpel with a ‘curved’ blade

Scientists from Tomsk Polytechnic University and Saratov State University teamed up with colleagues from Taiwan and proposed to make a laser ‘blade’ for a medical scalpel with a specified curved shape using a photonic ‘hook’. Currently there are laser scalpels only with an axisymmetric focus area, i.e., with a cylindrical blade. According to scientists, changing […]