Previously, scientists have attempted the procedure on dogs and monkeys, which helped to test neural preservation when blood flood to the brain had been cut off. The researchers used three rats for ...

So you might be wondering if you’re really COVID-negative or if the test is working as well as it should. There are many reasons why your RAT may not give you the results you expect.

Italian neurosurgeon Sergio Canavero teamed up with Chinese researchers to graft the head of a mouse onto a rat, resulting in a two-headed rodent.