We've always wondered...
What makes sap go up a tree?
What is tapioca?
Why does ice float?
What is quicksand?
How does a glacier move?
Does the universe ever end?
What are meteorites?
How many stars can we see at night?
Why are some stars brighter than others?
What is the origin of the sun?
How long will the sun last?
How do clouds stay up in the sky?
What causes hail?
What was the lost continent of Atlantis?
What is the Dead Sea?
What is the riddle of the Nile?
Why does Venice have canals?
Did dragons ever exist?
What are mermaids?
What was a unicorn?
Why do dogs bury bones?
Do all cats purr?
Why do kittens start with blue eyes and then usually change?
Are a donkey and jackass the same?
Which insect has the longest life?
How can a fly walk on the ceiling?
Can a snake really be charmed?
Why can birds sit on power lines without being electrocuted?
Why do some birds hop and others walk?
Why do some birds talk?
How do oysters make pearls?
What do tonsils do?
Why is one of our feet bigger than the other?
What are birthmarks?
Why do muscles ache after exercise?
Why do people walk in their sleep?
Why do onions make you cry?
Why do we have bogeys?
Why do we get hiccups?
How did the pineapple get its name?
Why do brides wear a veil?
How did handshakes start?