Why does a chicken cross the street? Because it wants to get on the other side!

Why should not a chicken cross the road? It would be a fowl proceeding.

Why does a duck cross the street? Because it was the chicken's and turkey's day off.

Why did the dinosaur cross the road? Because chickens weren't invented yet.

Why didn't the duck cross the road? To prove he's no chicken.

Why did the chicken cross the road halfway? To "lay it on the line".

Why did the chewing gum cross the road? Because it was stuck to the chicken's feet.

Why did the duck cross the road? Because the chicken was on holiday.

Why didn't the chicken cross the road? Because he's "chicken".

What is the difference between a chicken? Neither can ride a bicycle.

Why did the chicken cross the road? Because it had no frontal lobe.

Milk production at a dairy farm was low so the farmer wrote to the local university, asking help from academia. A multidisciplinary team of professors was assembled, headed by a theoretical physicist, and two weeks of intensive on-site investigation took place. The scholars then returned to the university, notebooks crammed with data, where the task of writing the report was left to the team leader. Shortly thereafter the farmer received the write-up, and opened it to read on the first line: "Consider a spherical cow in vacuum. . . ."