Battle of the Brains

two brains opening up and punching each other with boxing gloves. Weird, I know.

How many kilograms can a human hair support?

On average, what do you do 15 times per day?

What is the largest restaurant chain in the world, by number of stores?

How many Americans claim to have been abducted by aliens?

What is the national animal of Scotland?

What do you call a group of kangaroos?

The Venus flytrap is native only to this country?

How many man-made artifacts on Earth can be seen from space?

Which of these species are the most murderous mammals?

What was the Olympic Village for the 1980 Winter Games (Lake Placid, NY) converted into after the games?