MillionFacts 
Why do some animals have bright markings?
- How do polar bears hunt in the Arctic?
- What is the largest freshwater lake in the United States by volume?
- What countries does China border?
- How do flamingos filter food from water?
- What is the state bird of Colorado?
- How do jellyfish move through the water?
- How do black bears live?
- What is the UK’s most famous market?
- What is the state flower of Illinois?
- How do fireflies synchronise their flashing?
- How do polar bears stay warm in freezing conditions?
- How does gravity work?
- Why do some animals have venomous bites?
- Why do snakes shed their skin?
- How do eagles live?
- What is the most famous American city for shopping?
- What is the UK’s national sport?
- Why do some animals have venom?
- Why do stars have different lifespans?
- How does photosynthesis benefit the environment?
- Why is Antarctica considered a desert?
- Why do volcanoes erupt lava?
- How do woodpeckers live?
- What countries does Honduras border?
- What is the most famous Canadian theater for live performances?
- What is the function of the digestive system?
- How do octopuses escape from predators?
- How do plants adapt to survive in the Arctic?
- Why do hurricanes form?
- What causes auroras near the poles?
- What is the longest-lived tree species?
- What is the UK’s most famous stadium for football?
- How do whales communicate with each other?
- What is the state bird of Rhode Island?
- Why do some animals have camouflage?
- How do whales stay underwater for so long without breathing?
- How do trees absorb carbon dioxide?
- Why do leaves have veins?
- What countries does Algeria border?
- Why do some animals have poisonous skin?
- What is the largest species of tortoise?
- What is the UK’s most famous lighthouse?
- How do honeybees regulate the temperature of their hive?
- Why do jellyfish float with the ocean currents?
- What is the most famous Canadian building for modern architecture?
- When was the Moon landing?
- How do octopuses live?
- What is the most famous Canadian mountain range?
- How do some animals communicate using pheromones?
- What is the state flag of New Mexico known for?
- What is the role of the ozone layer?
- What is the UK’s most famous street?
- What countries does Uruguay border?
- What is the smallest ocean in the world?
- What is the function of the Earth’s magnetic field?
- What is the state animal of Oregon?
- What is the meaning of “liquidity risk” in finance?
- What is the tallest mountain in the United States?
- What is staking in cryptocurrency?