What makes two medical opinions seem contradictory?

Why did the barber win the race?

Why did the photographer attract so many mice?

Why is laughter the best medicine?

Why are the brother and sister always cold?

What's the difference between a dolphin and a whale?

Why did the two science teachers start dating?

Why do biologists look forward to casual Fridays?

Which celebrity has the loudest scream?

What do leprechauns love to barbeque?

How many ants are needed to fill an apartment?

Who invented Daylight Saving Time?

What's a worm's favorite holiday?

What kind of bird is always on pitch in choir?

Why does Santa Claus go down the chimney on Christmas Eve?