A train driver in Germany sounded the alarm on Friday, when he found an unattended styrofoam box containing three vials of liquid.<br />Federal police sent a bomb squad to investigate, but it left Heidelberg police scratching their heads.<br />Rather than containing agents of chemical warfare, HuffPost reports the vials contained hamster DNA.<br />Officers had hoped to crack the case by publicizing the unusual find, but despite intense media interest, the owner has not come forward.<br />Heidelberg is home to several research centers, including the European Molecular Biology Laboratory.
