Cats 'exploit' humans by purring
By Victoria Gill
Science reporter, BBC News
Cat owners may have suspected as much, but it seems our feline friends have found a way to manipulate us humans.
Researchers at the University of Sussex have discovered that cats use a "soliciting purr" to overpower their owners and garner attention and food.
Unlike regular purring, this sound incorporates a "cry", with a similar frequency to a human baby's. ....
http://news.bbc.co.uk/2/hi/science/nature/8147566.stm