Why don't birds fall off branches when they sleep?

In which of the following countries would you most likely NOT find a wild jaguar cub?

In the show Phineas and Ferb, whats the relationship between the title characters?

With five World Cup wins, which country has taken home this top soccer prize the most times?

Professional soccer players run about how far during every game?

Now made of plastic and rubber, golf balls were once made of

These are the only two sports that have been played on the moon

Held every year since 1875, which is the longest continually run sports event in the U.S.?

Pugs were the favored pets of which rulers?

What is the name of the belt of volcanoes around the edges of the Pacific Ocean?

A cricket detects sounds through which body part?

Which of the following is the only bird to have just two toes on each foot?

Giant pandas do what to scare off their enemies

Where did Orville and Wilbur Wright build their first flying airplane?

Which of the following originated in Spain?

How long does it take for glass to decompose?

About how many hairs do most people lose everyday?

Your heart is the size of

What is the most visited national park in the United States?