Which trade was legally restricted on Sundays in colonial America?
Alcohol sales
Bread baking
Shoe repairs
Clothing sales
Which U.S. service was legally required to stop on Sundays until 1912?
Telegraph delivery
Mail delivery
Milk delivery
Newspaper delivery
Which ancient practice can help you remember 50,000 different facts?
Memory palace technique
Repetitive chanting
Herbal supplements
Sleep learning
What unusual ability do electric eels actually possess?
They can navigate using Earth's magnetic field
They can coordinate attacks with other eels
They can detect heartbeats from 6 feet away
They can generate Wi-Fi-like electrical signals
Which unusual material was once used to make bulletproof vests?
Spider silk
Compressed wool
Tree bark
Woven reeds
What do octopuses actually throw at each other when angry?
Rocks and shells
Dead fish
Seaweed
Their own shed skin
Which common breakfast drink was originally invented as medicine?
Orange juice
Coffee
Tea
Hot chocolate
Which famous landmark was built as a tomb but never used for burial?
Taj Mahal
Lincoln Memorial
Mount Rushmore
Westminster Abbey
Which everyday object produces over 400 different chemical compounds?
A pencil eraser
A cup of coffee
A bar of soap
A sheet of paper