- ...that sarcoids (pictured) are non-fatal tumours but are a common reason for euthanasia in horses?
- ...that the arrest of Brownie Mary led to one of the first clinical trials studying the effects of cannabinoids in HIV-infected adults?
- ...that eradication of infectious diseases can come about through vaccination, quarantine, and even just human behavioural changes, depending on the disease?
- ...that Albert Sabin, developer of the oral polio vaccine, called Robert M. Chanock his "star scientific son"?
- ...that Millennium's second season finale "The Time Is Now" was inspired in part by a cattle disease in the United Kingdom?