10 More Facts About Dogs You Didn't Know

1. Rin Tin Tin was the first Hollywood movie dog star. 
2. The Basenji is the only dog in the world who doesn’t bark.
3.  At 44 inches, Zeus, a Great Dane from Michigan, USA, was named the tallest dog in the world by the Guinness World Records in 2012 and 2013. He died from age-related causes in September 2014. 
4. Cesky Terriers are the rarest breed of dog, with merely 350 of them alive.
5.  Dogs can recognise the smell of a range of organic compounds, which enables them to diagnose signs of cancer, diabetes and epileptic seizures in human beings.  
6. A spate of incidents involving collapse of lamp posts in Croatia in 2003 were blamed on dogs as dog urine has corroding effects.
7.  Greyhounds can attain speeds of over 70 kmph.
8.  A dog can locate the source of a sound in 6/100th of a second by using its ears like a radar.
9.  Small Pekingese dogs were used as Chinese emperors' last line of defence. The dogs were hidden in the emperors' sleeves.
10.  US President Franklin D. Roosevelt spent a staggering US $15,000 to send a destroyer to the Aleutian Islands to pick up his Scottie.