True or False?

Hoover Dam was made with massive amounts of concrete (enough to build 3000 miles of road). In order to cool this concrete, a supersized fridge was invented. This machine dispensed up to a thousand tons of ice every day! The incredible refrigeration machine helped take off decades from the project’s timeline.

Turritopsis dohrnii is known as the “immortal jellyfish.” Found in temperate and tropical waters, the species is able to revert its maturation process once it has completed it. Theoretically, the jellyfish can repeat this process indefinitely, thus never dying of age.

Parts of Louisiana's vibrant and brash city, New Orleans, sit below sea level, so many houses don’t have true basements. Even graves are above ground in beautiful stone structures! The cemeteries are actually very popular tourist attractions, with a lot of the cemeteries offering tours.