An American visits a Museum in Ireland, he is amazed at the perfect skeleton of a Dinosaur, he speaks to the attendant " That is one perfect skeleton, how old is it ? Paddy, that sur is 24 million years and three month old !!........Yank, how can you be so precise, is it the use of DNA ?
Paddy, No sur, it was 24 million years old when I started work here three months ago.