X-ray phase-contrast tomography: This shows an early frog embryo in cellular resolution (left) and cell and tissue motion captured and visualized using flow analysis (right). Disclaimer ...

A Russian researcher at Harvard University is being detained over failing to declare frog embryos while passing through ...

A Russian scientist who works at Harvard University’s Medical School has spent the last six weeks in immigration detention and is facing possible deportation after undeclared frog embryo samples ...

(ABC NEWS) — A Russian researcher at Harvard University is being detained at a Louisiana detention center over failing to declare frog embryos while passing through customs, according to a ...