It is partly a shortage of driving test examiners but it is also because of automated computer systems that book up all the tests as soon as they are available and resell them at inflated prices.

Working with international collaborators, the team discovered the black rat (Rattus rattus), an invasive species commonly found in cities and towns, had a gut microbiome more similar to the native ...

There is one specific type of rat running rampant through Chicago’s streets: the Norway rat. Despite its name, the Norway rat (Rattus norvegicus) originated in Asia, brought to the U.S. via ships ...