A team of engineers and zoologists affiliated with several institutions in Japan has developed a new way to study riblet denticles on shark skin. In their study, published in the Journal of the Royal Society Interface, the group used their new technique to make estimates of shark swimming speeds among species. A team of engineers and zoologists affiliated with several institutions in Japan has developed a new way to study riblet denticles on shark skin. In their study, published in the Journal of the Royal Society Interface, the group used their new technique to make estimates of shark swimming speeds among species. Plants & Animals Molecular & Computational biology Phys.org – latest science and technology news stories