"about math, research papers, science"

"一只老虎和一只狐狸的爱情故事"

"Pirate captain with a hook hand"

"Ghost ship in a bottle"

"Pirate ship with cannons"

"Ninja with nunchucks"

"Spaceship in a nebula"

"Alien with glowing antennae"

"Time machine with gears"

"Alien creature in the jungle"

"Time traveler with a watch"

"Robot with a shield"

"Fairy tale carriage"

"Steampunk goggles"