Geography
This is the only country in the world that borders both the Atlantic Ocean and the Indian Ocean.
South Africa
This ancient empire, centred in Italy, built a massive road network across Europe and collapsed in 476 AD.
Roman Empire
This powerful ceremonial posture dance involving foot-stamping and tongue protrusion is a traditional expression of passion, vigour, and identity. Clue: It's a traditional Māori dance from New Zealand
Haka
Painted by Leonardo da Vinci in the early 16th century, this portrait is famous for the subject's enigmatic smile and sits in the Louvre Museum.
Mona Lisa (or La Gioconda)
This fundamental force keeps the planets in orbit around the Sun and pulls objects toward the center of the Earth.
Gravity
Though it is the most populous city in the country, this metropolis is not the capital of Australia.
Sydney (the capital is Canberra).
This complex civilization built the ancient city of Tenochtitlan on an island in Lake Texcoco before the Spanish conquest.
The Mexica (Aztec) Empire
Rooted deeply in Zen Buddhism, this highly structured ritual involves the ceremonial preparation and presentation of matcha green tea.
The Japanese Tea Ceremony? (also known as Chado or Chanoyu in Japan)
Characterized by visible brushstrokes and an emphasis on light in motion, this 19th-century French movement features artists like Claude Monet.
Impressionism
Often called the "powerhouse of the cell," this organelle is responsible for generating chemical energy in the form of ATP.
Mitochondria
This Russian exclave on the Baltic Sea is entirely separated from the rest of Russia and borders Poland and Lithuania.
Kaliningrad
This 13th-century empire became the largest contiguous land empire in history, stretching from Eastern Europe to the Sea of Japan.
The Mongol Empire
Known locally as the Adumu, this competitive vertical-jumping dance is performed by young warriors to demonstrate their strength and agility.
The Maasai tribe (or Maasai warriors of Kenya and Tanzania)
This traditional Indonesian textile art uses wax-resistant dyeing to create intricate patterns on fabric and was named a UNESCO Masterpiece.
Batik
This lightweight gas is the most abundant chemical element in the universe, making up roughly 75% of all baryonic mass.
Hydrogen
This landlocked South American nation is the only country on the continent besides Paraguay that does not border an ocean.
Bolivia
This pre-Columbian civilization developed a complex system of knotted strings called "quipus" to record data without a written alphabet.
The Inca Empire
Known as the Festival of Lights, this major autumn celebration symbolizes the spiritual victory of light over darkness and features the lighting of small clay lamps called diyas.
Diwali (or Deepavali, celebrated by Hindus, Jains, Sikhs, and some Buddhists worldwide)
Carved directly into volcanic tuff cliffs between 1250 and 1500 AD, these massive monolithic human figures stand watch over Easter Island.
The Moai
This geological boundary, stretching around the basin of the Pacific Ocean, is home to roughly 90% of the world's earthquakes.
The Ring of Fire
This Asian nation is the world's largest archipelagic country, consisting of over 17,000 islands spanning both sides of the equator.
Indonesia
Coined in the late 20th century, this collective term refers to the highly developed economies of Hong Kong, Singapore, South Korea, and Taiwan.
The Four Asian Tigers
Celebrated in mid-June to welcome the summer, this traditional festival involves wearing floral crowns, dancing around a large pole, and eating fresh strawberries.
Midsommar (or Midsummer, celebrated primarily in Sweden and other Nordic countries)
Designed by Jørn Utzon, this Expressionist landmark features a series of large, white precast concrete shells resembling the sails of a ship.
The Sydney Opera House
This molecular tool allows scientists to precisely edit DNA sequences by using a specific protein to cut strands at targeted locations.
CRISPR-Cas9 (or CRISPR)