Animal research has helped conceive, optimize and now upgrade from human blood transfusions so facilitating a critical, lifesaving procedure for both humans and animals. Fresh new blood can often make the difference between life and death.
Just like people, dogs and cats can show allergic symptoms when their immune systems begin to recognise certain everyday substances - or allergens - as dangerous. Even though these allergens are common in most environments and harmless to most animals, pets with allergies will have an extreme reaction to them.
Like most people, when I go to vote next may, the first thing I'll have in mind will probably not be the cure for dementia that could help my mother in 20 years' time, or the cure for autism that might help my child in years to come, or even the treatment for cancer that could save my life in 50 years' time.
When you live high in rainforest canopies with other closely related species, what you do need to recognise is your own kind, for breeding and other social purposes. Could Hipsters be trying to stand out in the city jungle as a different species?