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

Kseniia Petrova was returning from a two-week vacation in France, where she went to see a famed classical pianist perform, when she was detained at Logan International Airport on Feb. 16, Leonid ...

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 scientist at Harvard University’s Medical School was arrested by U.S. Immigration Customs and Enforcement after she failed to declare frog embryos brought back from France, according ...