Good Riddles

 
Riddle #156 (medium)

Question: Surrounded by green, surrounding white.
Inside is red, holding many black babies.

What is it?

Riddle #155 (medium)

Question: A computer walks up to two stores, one called '1', and one called '0'. Which does it choose?

Riddle #154 (medium)

Question: A man built his house above a river between two trees. He attaches his house to the middle of the two tree's trunks. He does this because the river rises by 2 inches each years, but the trees grow 1 inch each year. If his house is 4 inches above the river how long will it take for water to hit his house?

Riddle #153 (medium)

Question: 2 men catch 2 fish in 2 minutes. At this rate, how many men could catch 500 fish in 500 minutes?

Question: I can bring tears to your eyes; resurrect the dead, make you smile, and reverse time. I form in an instant but I last a life time. What am I?