Who Invented the Candy Bar?

TECHNOLOGY

98 Comments

#13

Why Does Jell-O Jiggle?

ARTS & CULTURE

188 Comments

#14

Why Do Superheroes Have Secret Identities?

ARTS & CULTURE

102 Comments

#15

How Old Is Soccer?

ARTS & CULTURE

186 Comments

#16

Can You Garden in the City?

SCIENCE

34 Comments

#17

Can You Train a Goldfish?

SCIENCE

40 Comments

#18

What Would You Pack for a Trip to Outer Space?

SCIENCE

146 Comments

#19

What Makes Popcorn Pop?

SCIENCE

104 Comments

#20

How Old Are Fairy Tales?

LANGUAGE ARTS

131 Comments

#21

How Can Spare Change Make a Big Difference?

SOCIAL STUDIES

17 Comments

#22

Who Painted the Sistine Chapel?

ARTS & CULTURE

29 Comments

#23

Do French Fries Really Come From France?

ARTS & CULTURE

72 Comments

#24