claim: The oldest branch of physics is astronomy.
evidence: Ihering 's Atlantic spiny-rat , Trinomys iheringi , is a spiny rat species from South America .. Trinomys. Trinomys. spiny rat. Echimyidae. species. species. It is endemic to Brazil , and was named in honor of Hermann von Ihering .. endemic. endemic. Hermann von Ihering. Hermann von Ihering