It turns out that, like the antennas on an insect or crustacean, a ray uses its tail to sense its environment. The inside of a myliobatid stingray tail is remarkably complex, the scientists ...

Pattern formation is the developmental process by which cells acquire different identities, depending on their relative spatial positions within the embryo. Pattern formation ensures that tissues ...

Male wearing glasses: Common letter patterns are really important, it helps with your spelling. Things like tight, has I-G-H-T on the end of it, tight. Male in dark suit: It's like it and then how ...