A Harvard University researcher accused of smuggling clawed frog embryos into the United States is facing additional charges. Kseniia Petrova, a Russian-born scientist conducting cancer research ...

Attorneys argued over whether a Harvard University researcher accused of smuggling frog embryos brought “biological materials” into the U.S. Kseniia Petrova, a Russian-born scientist ...

Petrova is accused of failing to declare clawed frog embryos and embryonic samples while passing through customs at Boston Logan International Airport in February.

A Harvard University researcher accused of smuggling clawed frog embryos into the United States is facing additional charges.

BOSTON (AP) — A Harvard University researcher accused of smuggling clawed frog embryos into the United States was indicted Wednesday on additional charges. Kseniia Petrova, a Russian-born ...