Scroll down for the answer to the facebook riddle/puzzle
Incredible Science Quiz
Question 1 of 10
What organ contracts when empty, producing peristaltic waves we call "growling"?
Question 2 of 10
Most metals are grey in color; what is the only metal that is yellow?
Question 3 of 10
How many sides are in an octagon?
Question 4 of 10
What is unusual about the way marsupials give birth?
Question 5 of 10
What do scientists use to help organize the elements?
Question 6 of 10
What should you do if you receive this Morse Code signal: dot dot dot dash dash dash dot dot dot?
Question 7 of 10
Yellow diamonds typically have what avian name?
Question 8 of 10
Which of these animals is a reptile?
Question 9 of 10
What are you most likely to do after swallowing a diuretic?
Question 10 of 10
Where are carpal bones found?
Bob suggested that Dave hold his finger in the air while someone wound a piece of string tightly around his finger just above the metal ring. The string forced the swelling down. As they unwounded the string from the end nearest the ring, someone else slid the ring up. They continued winding and unwinding the string until the ring could be easily removed.