Sharks have roamed the world’s oceans for millions of years. Most of it has been swimming up and down our water column, yet a select few have decided to learn to ‘walk.’ Don’t get me wrong - they ...

The human fingertip is a finely tuned sensory machine, and even slight touches convey a great deal of information about our physical environment. It turns out, some fish use their pectoral fins in ...

A study of catsharks reveals how alterations in the expression and function of certain genes in limb buds underlie the evolution of fish fins to limbs. The findings are reported by researchers from ...