These animals name each other using special whistles.
What are dolphins?
This man, who founded SpaceX, is now acting like the president of the United States.
Who is Elon Musk?
This theory suggests that people become smarter when they listen to classical music.
What is the Mozart Effect?
According to the Global Cities Index, this is the most powerful and important city in Europe.
What is London?
These life-sized statues of ancient Chinese soldiers were made from this material.
What is terracotta (clay)?
Photographer David Liittschwager used this shape to show the diversity of nature in a small space.
What is a cube?
These siblings collected folktales from storytellers all over Germany.
Who are the Brothers Grimm (Grimm brothers)?
This injury can occur when people are exposed to extreme cold.
What is frostbite?
DAILY DOUBLE
These (are/are not) single-use plastics.
What are a PET bottle and a plastic knife?
These special firefighters are lowered by helicopters into burning forests.
What are smokejumpers?
DAILY DOUBLE
That's how you spell this word!
What is C-A-M-O-U-F-L-A-G-E?
In "The Seven Ravens," the girl uses this to open the door to the house her brothers are being kept in.
What is her own finger?
This measurement of tempo is often referred to as "BPM" for short.
What is "beats per minute"?
This city in Shizuoka is known for its large Brazilian population.
What is Hamamatsu?
DAILY DOUBLE
This is the original height of the Great Pyramid of Giza in meters.
What is 147 meters?
This extreme activity, performed on Pentecost Island in Vanuatu, is the origin of bungee jumping.
What is land diving?
This large device, named after a German astronomer from the 17th century, was sent into space in 2009.
What is the Kepler Space Telescope?
DAILY DOUBLE
That's the BPM of this song!
What is 128 BPM?
This strange-looking dinosaur was discovered when paleontologists found a pair of giant arm fossils in 1965.
What is Deinocheirus?
People who have this unusual job are responsible for checking the gender of baby birds.
What is a chick sexer?
This is the term for a group of dolphins.
What is a pod?
DAILY DOUBLE
These are the eight planets in our solar system.
(correct order = BONUS)
What are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune?
Before they vanished, Amelia Earhart and Fred Noonan were trying to land on this island.
What is Howland Island?
While "Tyrannosaurus" means "tyrant lizard" in Greek, "rex" means this in Latin.
What is "king"?
What is the Rosetta Stone?